English words: 5H to 9th grader

English words 5H to 9th grader

1. 5H noun: A grade of pencil with lead that makes lighter marks than a pencil grade 4H but darker marks than a pencil of grade 6H; a pencil with very hard lead.
2. 5head adjective: Very intelligent; genius
3. 5K noun: A road race over 5 000 metres.
4. 5NF noun: Initialism of fifth normal form.
5. 5O noun: Alternative spelling of five-o.
6. 5s noun, phrase: Sort, straighten, shine, standardize, sustain: a workplace discipline used to ensure reliable work practices and a clean working environment, now used in...
7. 5th adjective /fɪfθ/: Abbreviation of fifth.
8. 5th column noun: Alternative form of fifth column.
9. 5th day fits noun: Alternative form of fifth-day fits
10. 5th grade noun: Alternative spelling of fifth grade.
11. 5th grader noun: Alternative spelling of fifth grader.
12. 5th wheel noun: Alternative form of fifth wheel.
13. 5W noun: Initialism of five Ws: who, what, when, where, why (the facts of the matter).
14. 5W1H noun [ˈfaɪvˈdʌbl̩ˌjuːˌwʌˈneɪt͡ʃ]: Any of the six basic question words in English, with 5 of them beginning with “w” (what, when, where, who, why) and 1 of them beginning with “h” (how).
15. 6 adjective, noun: MI6; the agency or a particular agent.
16. 6-2-0 noun: Under the Whyte notation system, a steam locomotive that has an unpowered three-axle leading truck followed by a single powered driving axle.
17. 6/4 noun: A meter of six quarter notes per measure.
18. 6-4-4-6 noun: Under the Whyte notation system, a duplex steam locomotive that has six coupled leading wheels in a leading truck, two sets of four driving wheels, and a...
19. 6/6 adjective: Synonym of 20/20.
20. 6/8 noun: A meter of six eighth notes per measure, usually with secondary stress on the fourth eighth note.
21. 6-8-6 noun: Under the Whyte notation system, a steam locomotive that has six leading wheels arranged in a leading truck, eight coupled driving wheels and six trailing...
22. ω-6 fatty acid noun: Abbreviation of omega-6 fatty acid.
23. 6-foot noun: Alternative form of six foot.
24. 6-gon noun: Synonym of hexagon (“a polygon with six sides and six angles”).
25. 6-omino noun: Synonym of hexomino
26. 6-PTHB noun: Abbreviation of 6-pyruvoyltetrahydropterin.
27. 6-pyruvoyltetrahydropterin noun: Synonym of dyspropterin.
28. 60-0 noun: A performance measure for automobiles, that measures elapsed distance. The automobile travelling at 60 mph (roughly 100 km/h) brakes to a stop, giving a...
29. 60-gon noun: Synonym of hexacontagon (“a sixty-sided polygon”).
30. 60's noun: Alternative form of 60s.
31. 600-cell noun: A four-dimensional polytope, analogous to an icosahedron, whose 600 bounding facets are tetrahedra.
32. 606 noun: Arsphenamine.
33. '60s noun: The decade of the 1960s.
34. 60th adjective: Abbreviation of sixtieth.
35. 61st adjective: Abbreviation of sixty-first.
36. 621 noun: The 6-2-1 rule.
37. 62nd adjective: Abbreviation of sixty-second.
38. 637 noun, phrase: always and forever
39. 63rd adjective: Abbreviation of sixty-third.
40. 64-pounder noun: A muzzleloading gun capable of firing shells weighing sixty-four pounds
41. 64mo noun: A size of paper or book: 1.87"-2.5" x 2.5"-3.125".
42. 64th adjective: Abbreviation of sixty-fourth.
43. 64th note noun: A note whose duration is one sixty-fourth that of a whole note.
44. 65537-gon noun: A polygon with 65537 sides and 65537 angles.
45. 65th adjective: Abbreviation of sixty-fifth.
46. 66th adjective: Abbreviation of sixty-sixth.
47. *67 verb: To use the telephone number prefix to block caller ID.
48. 67th adjective: Abbreviation of sixty-seventh.
49. 68 noun, verb: A sex position in which one partner lays on top of the other, with their genitalia facing the other partner's head, in order for said partner to perform...
50. 688 noun: A submarine of the Los Angeles class
51. 68th adjective: Abbreviation of sixty-eighth.
52. *69 noun, verb: Alternative form of sixty-nine.
53. 69er noun: Alternative form of sixty-niner.
54. 69th adjective: Abbreviation of sixty-ninth.
55. 6B noun: A grade of pencil with lead that makes darker marks than a pencil grade 5B; a pencil with extremely soft lead.
56. 6D chess noun: Synonym of 5D chess
57. 6DOF noun: Initialism of 6 Degrees Of Freedom; the range of movements allowed in a virtual-reality system and related games, namely those in the x-, y- and...
58. 6H noun: A grade of pencil with lead that makes lighter marks than a pencil grade 5H; a pencil with extremely hard lead.
59. 6ix noun: Alternative spelling of six (“6”).
60. 6mo noun: Sexto, sixmo.
61. 6NF noun: Initialism of sixth normal form.
62. 6th adjective: Abbreviation of sixth.
63. 6th form noun: Alternative form of sixth form.
64. 6th grade noun: Alternative spelling of sixth grade.
65. 6th grader noun: Alternative spelling of sixth grader.
66. 6to noun: Sixmo, sexto.
67. 6x6 noun /sɪks baɪ sɪks/: a six-wheeled vehicle with six-wheel drive (each wheel has powered drive)
68. 7 adjective, noun: Clipping of 720 (“720° spin”).
69. 7-10 split noun: A split where the farthest-left and farthest-right pins are the only pins left standing.
70. 7-11 noun: Alternative spelling of 7-Eleven (convenience store)
71. 7-38-55 rule noun: The theory that 7% of communication is from spoken words, 38% from tone of voice and 55% from body language and gestures.
72. 7-6 suspension noun: a suspension that has the suspended note a seventh (plus any number that is a multiple of seven) from the bass move down a step to the note in the chord...
73. 7 and 7 noun: Alternative form of seven and seven.
74. 7-bit adjective: Of a word size or an integer, represented using 7 bits (ASCII).
75. 7-day fever noun: leptospirosis
76. 7-day measles noun: Measles, rubeola, 10-day measles.
77. 7-dehydrocholesterol noun: A zoosterol that functions in the serum as a cholesterol precursor, and is photochemically converted to vitamin D3 in the skin.
78. 7-Eleven adjective, noun /ˌsɛvən əˈlɛvən/: A 7-Eleven convenience store.
79. 7-gon noun: Synonym of heptagon (“a polygon with seven sides and seven angles”).
80. 7-hydroxymitragynine noun: A terpenoid indole alkaloid from the kratom plant.
81. 7-omino noun: Synonym of heptomino
82. 7 Up noun: A lemon-lime-flavored, non-caffeinated soft drink.
83. 7 Up cake noun: A bundt pound cake which contains 7 Up as an ingredient in the icing or the batter.
84. 70-gon noun: Synonym of heptacontagon: A polygon with seventy edges.
85. 70's noun: Alternative form of 70s.
86. 701 noun: The game of 301 when played with a starting score of 701 instead.
87. '70s noun: The decade of the 1970s.
88. 70th adjective: Abbreviation of seventieth.
89. 71st adjective: Abbreviation of seventy-first.
90. 720 noun: The act of spinning 720 degrees in the air, doing two complete turns.
91. 72nd adjective: Abbreviation of seventy-second.
92. 730 adjective /ˈsɛ.vənˈθɝti/: Crazy, insane.
93. 737 noun: A Boeing airplane model, number seven thirty-seven, sold to airlines for passenger or cargo transportation.
94. 73rd adjective: Abbreviation of seventy-third.
95. 747 noun /ˌsɛvənfɔːˈsɛvən/: A Boeing airplane, model number seven forty-seven, sold to airlines for passenger or cargo transportation.
96. 74th adjective: Abbreviation of seventy-fourth.
97. 75 noun: Ellipsis of French 75.
98. 757 noun: A Boeing 757 aeroplane.
99. 75th adjective: Abbreviation of seventy-fifth.
100. 76er noun: A basketball player who plays for the 76ers.
101. 76ers noun: A basketball team from Philadelphia.
102. 76th adjective: Abbreviation of seventy-sixth.
103. 777 noun: A Boeing 777, a widebody twinjet used for commercial airlines.
104. 77th adjective: Abbreviation of seventy-seventh.
105. 78 noun: A gramophone record played at 78 revolutions per minute.
106. 782 gear noun: Military gear for use in the field, including a rifle, bedding, first aid kit, etc.
107. 78th adjective: Abbreviation of seventy-eighth.
108. 79th adjective: Abbreviation of seventy-ninth.
109. 7D chess noun: Synonym of 5D chess
110. 7s noun: Alternative form of sevens.
111. 7th adjective /ˈsɛvnθ/: Abbreviation of seventh.
112. 7th art noun: Alternative form of seventh art.
113. 7th grade noun: Alternative spelling of seventh grade.
114. 7th grader noun: Alternative spelling of seventh grader.
115. 7up noun: Alternative spelling of 7 Up.
116. 8 adjective, verb /eɪt/: Abbreviation of ate.
117. 8.3 filename noun: Synonym of short filename
118. 8 ball noun: The eighth numbered ball.
119. 8-bit adjective, noun /ˌeɪtˈbɪt/: Of a word size or an integer, represented using units of 8 bits (1 byte).
120. 8-cell noun /ˈeɪtˌsɛl/: A four-dimensional polytope, analogous to a cube, whose eight bounding facets are cubes; a tesseract.
121. 8-foot noun: The 8-foot diameter circle in the house.
122. 8-gon noun: Synonym of octagon (“a polygon with eight sides and eight angles”).
123. 8-omino noun: Synonym of octomino
124. 8 stop noun: A rule in Tycoon where an eight flushes the stack, giving the turn to the player who placed it
125. 8-track noun: A form of magnetic tape technology for audio storage, popular from the mid-1960s to the early 1980s.
126. 80-gon noun: Synonym of octacontagon (“a polygon with eighty sides and eighty angles”).
127. 80's noun: Alternative form of 80s.
128. (800) noun: Clipping of 1-800.
129. 800 meters noun: US standard spelling of 800 metres.
130. 800 metres noun: A middle-distance running race over 800 metres.
131. 800 number noun: A toll-free telephone number.
132. 800-pound gorilla noun: An entity that dominates its environment.
133. 800-pound gorilla in the room noun: Synonym of gorilla in the room.
134. 80085 noun: The word boobs (female breasts).
135. 807 noun: A bottle of beer.
136. 808 noun: A Roland TR-808 drum machine.
137. '80s noun: Alternative spelling of 80s.
138. 80th adjective: Abbreviation of eightieth.
139. 81st adjective: Abbreviation of eighty-first.
140. 82nd adjective: Abbreviation of eighty-second.
141. 83rd adjective: Abbreviation of eighty-third.
142. 84th adjective: Abbreviation of eighty-fourth.
143. 8514 noun: Alternative form of 8514/A.
144. 8514/A noun: 8514/Adapter, a video interface card and 4:3 display standard for computers, made obsolete in 1990 by the XGA video standard.
145. 8514/Adapter noun: Alternative spelling of 8514/A.
146. 85er noun: According to the Five-Percent Nation movement: a member of the ignorant majority of humanity (85%), who are neither 5 percenters nor part of the controlling...
147. 85th adjective: Abbreviation of eighty-fifth.
148. 86 verb /ˌeɪ̯.tiːˈsɪks/: To cancel an order for food.
149. 8646 phrase: A numeric code advocating for the impeachment of Joe Biden.
150. 8647 phrase: A numeric code advocating for the impeachment of Donald Trump.
151. 86th adjective: Abbreviation of eighty-sixth.
152. 87th adjective: Abbreviation of eighty-seventh.
153. 88 noun: Ellipsis of German 88 (“WWII German 88mm anti-aircraft artillery piece”).
154. 880 ammonia noun: A saturated solution of ammonia in water; ammonium hydroxide 28% (w/w as ammonia).
155. 88th adjective: Abbreviation of eighty-eighth.
156. 88x31 noun: A web badge measuring 88 × 31 px.
157. 89th adjective: Abbreviation of eighty-ninth.
158. 8channer noun: A member of the imageboard website 8chan.
159. 8D chess noun: Synonym of 5D chess
160. 8DR noun: Synonym of ODR.
161. 8N1 noun: Abbreviation of eight data bits, no parity, one stop bit: the most common configuration for serial lines, e.g. EIA-232.
162. 8p23.1 duplication syndrome noun: A rare genetic disorder caused by the duplication of a region from human chromosome 8, leading to one or more of speech delay, developmental delay,...
163. 8th adjective /eɪtθ/: Abbreviation of eighth.
164. 8th grade noun: Alternative spelling of eighth grade.
165. 8th grader noun: Alternative spelling of eighth grader.
166. 8th note noun: Abbreviation of eighth note.
167. 8th wonder of the world noun: Alternative form of eighth wonder of the world.
168. 8ve noun: Abbreviation of octave.
169. 8vo noun: Abbreviation of octavo, a page size (5"-6.25" x 7.5"-10").
170. 8x8 noun: an eight-wheeled vehicle with eight-wheel drive, each wheel has powered drive. (Abbreviation of 8 drive wheels on 8 wheels).
171. 8x8x8 noun: Abbreviation of 8 wheel steering with 8 drive wheels on 8 wheels (“an eight-wheeled vehicle with eight-wheel drive and eight-wheeled steering, each wheel...
172. 9 adjective, noun: Clipping of 900 (“900° spin”).
173. 9-1-1 noun, verb: Alternative spelling of 911.
174. 9/10ths noun: Alternative spelling of nine-tenths.
175. 9/11 noun /ˌnaɪn.əˈlɛ.vən/: An event comparable to the September 11 attacks.
176. 9-5 noun: Alternative form of nine to five.
177. 9/8 noun: A meter of nine quavers per measure.
178. 9-8 suspension noun: a suspension that consists of the ninth chord tone that resolves to the eighth (or the one).
179. 9-9-6 noun: A schedule with 9am to 9pm workdays and a six-day workweek (usually from Monday to Saturday).
180. 9-gon noun: Synonym of nonagon (“a polygon with nine sides”).
181. 9-man noun: A volleyball game with nine players per side and a larger than normal court.
182. 9-omino noun: Synonym of nonomino
183. 9 to 5 adjective, adverb, noun, verb: Alternative form of nine to five.
184. 90-gon noun: Synonym of enneacontagon: A polygon with 90 sides and 90 angles.
185. 90's noun: Alternative form of 90s.
186. (900) adjective, noun: The act of spinning 900 degrees in the air, doing two and a half complete turns.
187. 900 number noun: A telephone number for which an extra charge is assessed, part of which is returned to the owner of the number.
188. 90210ish adjective: Of, relating to, or characteristic of the American television series Beverly Hills, 90210.
189. '90s noun: The decade beginning in '90 and ending in '99 of a century, often the 1990s one.
190. 90th adjective: Abbreviation of ninetieth.
191. 90Y-DOTA-biotin noun: The vitamin biotin labelled with radioactive (yttrium-90), used in the treatment of cancer, where it seeks out tumor cells that have been targeted by an...
192. 911 noun, verb /ˌnaɪ̯n wən ˈwən/: Emergency services; emergency service personnel.
193. 91st adjective: Abbreviation of ninety-first.
194. 925 noun: Alternative form of nine to five.
195. 92nd adjective: Abbreviation of ninety-second.
196. 93 phrase: A numerological abbreviation of the phrase "do what thou wilt shall be the whole of the law"; used as a greeting.
197. 93rd adjective: Abbreviation of ninety-third.
198. 94th adjective: Abbreviation of ninety-fourth.
199. 95th adjective: Abbreviation of ninety-fifth.
200. 96 noun: The 96 victims of the Hillsborough disaster.
201. 96-gon noun: Synonym of enneacontahexagon: A polygon with ninety six sides and ninety six angles.
202. 96th adjective: Abbreviation of ninety-sixth.
203. 976 adjective: Alternative form of 1-976.
204. 97th adjective: Abbreviation of ninety-seventh.
205. 98th adjective: Abbreviation of ninety-eighth.
206. 99 adjective, determiner, noun: An ice cream cone with a chocolate flake inserted into the ice cream.
207. 99.9 percent determiner: Synonym of 99 percent
208. 99.99 percent determiner: Synonym of 99 percent
209. 99 percent adverb, determiner, noun: Almost all.
210. 99 problems noun: Used other than figuratively or idiomatically: see 99, problems.
211. 990 noun: An IRS form for tax-exempt organizations (such as charities).
212. 996 noun: Alternative spelling of 9-9-6.
213. 999 noun /naɪn.naɪn.naɪn/: Emergency services; emergency service personnel.
214. 99er noun: A long-term unemployed person who has exhausted his or her entitlement to welfare benefits.
215. 99th adjective: Abbreviation of ninety-ninth.
216. 9D chess noun: Synonym of 5D chess
217. 9gagger noun: A user of the online platform and social media website 9gag.
218. 9q34 deletion syndrome noun: A rare genetic disorder associated with childhood hypotonia, a distinctive facial appearance, and developmental disability.
219. 9s noun: Alternative form of nines.
220. 9th adjective /naɪnθ/: Abbreviation of ninth.
221. 9th grade noun: Alternative spelling of ninth grade.
222. 9th grader noun: Alternative spelling of ninth grader.

Part 3 · English words: 0-9

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0): each word's first meaning. A word with a page of its own links to it; for the rest, this line is PlainSpell's entry. Total under 0-9: 1,122 words, in 4 parts.