antonymous

/ænˈtɒn.ɪ.məs/

//ænˈtɒn.ɪ.məs// adj

By · According to Wiktionary data (CC BY-SA) ·

"antonymous" is a 10-letter English headword indexed on PlainSpell.

The verdict

“antonymous” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Synonym of antonymic.

Corpus desk

Index EN-antonymous · antonymous · English

antonymous · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "A" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for antonymous
PropertyValue
Headwordantonymous
LanguageEnglish
Part of speechAdjective
IPA/ænˈtɒn.ɪ.məs/
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “antonymous” in English

antonymousranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

antonymous is uncommon English outside the top frequency list, classed as anadjective, transcribed /ænˈtɒn.ɪ.məs/. Rarity is why readers land here mid-draft. Gloss: "Synonym of antonymic.".

No generated misspelling entries exist for antonymous in our index, since its letter pattern doesn't lend itself to common typo substitutions. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From antonym + -ous. The correct English form is antonymous, spelled A-N-T-O-N-Y-M-O-U-S.

Definition

  1. 1
    Synonym of antonymic.

Etymology

From antonym + -ous.

This word in other languages

antónimo(Español)antinomique(Français)antónimo(Português)

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "antonymous"?
"antonymous" is spelled A-N-T-O-N-Y-M-O-U-S. The IPA pronunciation is /ænˈtɒn.ɪ.məs/.
What does "antonymous" mean?
As an adjective, "antonymous" means: Synonym of antonymic.
How do you pronounce "antonymous"?
The IPA (International Phonetic Alphabet) transcription for "antonymous" is /ænˈtɒn.ɪ.məs/. 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 "antonymous"?
From antonym + -ous. 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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list