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sub

Definition, pronunciation, etymology, and usage for the English word. Free spelling reference powered by Wiktionary.

Letters

3 characters

Language

English

word origin

Source

Wiktionary

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Detailed reference entry for the English word "sub", 3-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Hunspell error dictionaries, and usage frequency ranked against the top 100,000 English words in the Wordfreq corpus. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "sub" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "sub" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.

sub is aEnglishnoun. It means: Abbreviation of submarine. Pronounced /sʌb/. It ranks #2,236 in English word frequency. Often confused with SW and SV.

Key facts for sub
PropertyValue
Headwordsub
LanguageEnglish
Part of speechNoun
IPA/sʌb/
Letters3
Frequency rank#2,236
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency rank visualization

Position of sub in English word frequency (lower rank = more common)

Source: Wordfreq corpus

Spelling & Dictionary Insight

The English entry for sub is 3 letters long, classified as anoun, and transcribed in the International Phonetic Alphabet as /sʌb/. Corpus data places it at rank #2,236 in overall English word frequency, indicating it appears regularly in written and spoken text.Wiktionary records 19 distinct senses for this headword, so context determines which meaning a reader should apply.

No frequent misspelling variants are recorded for sub in our index, suggesting the orthography either follows predictable English patterns or the word is uncommon enough that typo corpora lack signal.It also participates in 20 confusable-pair relationships, "SW", "SV", "Sy", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: * Shortened form of any of various words beginning with sub-. Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is sub, spelled S-U-B, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 1
    Abbreviation of submarine.
  2. 2
    Clipping of submarine sandwich: a sandwich made on a long bun.
  3. 3
    Clipping of submersible.
  4. 4
    Clipping of substitute, often in sports or teaching.
  5. 5
    Clipping of subscription (“a payment made for membership of a club, etc.”).
  6. 6
    Clipping of subtitle
  7. 7
    Clipping of subroutine (sometimes one that does not return a value, as distinguished from a function, which does)
  8. 8
    Clipping of subeditor
  9. 9
    Clipping of subcontractor
  10. 10
    Clipping of subwoofer
  11. 11
    Clipping of submission (of a work for publication).
  12. 12
    Clipping of submissive
  13. 13
    Clipping of subordinate
  14. 14
    Clipping of subaltern
  15. 15
    Clipping of subscription (or (by extension) a subscriber) to an online channel or feed.
  16. 16
    Clipping of subsistence money, part of a worker's wages paid before the work is finished.
  17. 17
    Clipping of subreddit.
  18. 18
    Clipping of subject (“particular area of study”)
  19. 19
    Clipping of subliminal (“an audio or video recording intended to produce physical or psychological changes in the listener”)

Etymology

* Shortened form of any of various words beginning with sub-.

This word in other languages

Frequency rank: #2,236 in English

Frequently Asked Questions

How do you spell "sub"?
"sub" is spelled S-U-B. The IPA pronunciation is /sʌb/.
What does "sub" mean?
As a noun, "sub" means: Abbreviation of submarine.
What words are commonly confused with "sub"?
"sub" is commonly confused with "SW", "SV", "Sy". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "sub"?
The IPA (International Phonetic Alphabet) transcription for "sub" is /sʌb/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "sub"?
* Shortened form of any of various words beginning with sub-. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Nearby English words

Other entries that begin with the letter S in our English index:

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Data Source: Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Frequency data from Wordfreq. Misspellings derived from Hunspell dictionaries.