boundary
/ˈbaʊndɹi/noun
boundary is spelled B-O-U-N-D-A-R-Y. The wrong spelling people search most is boundry: about 290 Bing searches a month in the United States (September 2025 to August 2026), about 2 in 10 of all searches for the word. Boundary is a noun meaning “The dividing line or location between two areas”. The plural of boundary is boundaries.
How many letters and syllables are in boundary?
| Letters | 8: B-O-U-N-D-A-R-Y |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | 13 times per million words; the 5,778th most frequent word form |
| Wrong spellings searched | 2; the most searched, boundry, about 290 Bing searches a month (all of them) |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).
How do you spell boundary?
Boundary is spelled B-O-U-N-D-A-R-Y. 2 wrong spellings are searched or written often enough to measure; together they are about 2 in 10 of the searches for boundary in either form.
Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.
How common is boundary?
Boundary appears 13 times per million words in written English, the 5,778th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce boundary?
- UK /ˈbaʊndɹi/
- UK /ˈbaʊndəɹi/
- US /ˈbaʊndɹi/
Boundary has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-boundary.ogg, En-au-boundary.ogg, Wikimedia Commons (author and licence on each file's page).
Forms of boundary
- boundaries plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does boundary mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The dividing line or location between two areas.
- 2
The bounds, confines, or limits between immaterial things (such as one’s comfort zone, privacy, or professional sphere and the realm beyond).
I didn’t mean to push the boundaries by sending my boss a message on Saturday night.
- 3
An edge or line marking an edge of the playing field.
- 4
An event whereby the ball is struck and either touches or passes over a boundary (with or without bouncing), usually resulting in an award of 4 (four) or 6 (six) runs respectively for the batting team.
Travis hit a boundary to seal the match on the last ball of the over.
- 5
(of a set) The set of points in the closure of a set S, not belonging to the interior of that set.
- 6
Commission paid by a bus or jeepney driver to a public transportation operator for taking passengers, or the excess collected fares taken as daily wage.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you abbreviate boundary?
Wiktionary records one abbreviation of boundary: bdry..
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Boundary in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | frontière, limite , limites |
| German | Grenze , Grenzen , Rand |
| Portuguese | fronteira |
| Spanish | linde, lindero, lindera, limes, aledaño, aledaños |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does boundary come from?
From bound + -ary. Semantically displaced native Old English mearc (“boundary, limit”) whence Modern English mark.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).