Word.ws English Dictionary

Synonyms of irregular

7 similar words · 1 opposite word

Another word for irregular is singular. Other synonyms of irregular are coarse, unstable, heteroclite, salebrous and unsteady. The opposite of irregular is regular.

Synonyms and similar words for irregular

adjectiveOf a surface, rough.

adjectiveWithout symmetry, regularity, or uniformity.

adjectiveOf a word, not following the regular or expected patterns of inflection in a given language.

adjectiveMore synonyms

  • singularOut of the ordinary; curious.
  • salebrousRough; rugged.
  • unsteady
  • abnormal nonstandardNot conforming to rule or system; deviating from the usual or normal type.

Opposite of irregular

adjectiveHaving abnormal bowel movements at inconsistent intervals.

  • regularHaving a constant pattern; showing evenness of form or appearance.

Meaning of irregular

  1. adjective Nonstandard; not conforming to rules or expectations.
  2. adjective Of a surface, rough.
  3. adjective Without symmetry, regularity, or uniformity.

Full definition of irregular

irregular in other languages

Questions about synonyms of irregular

What is another word for irregular?
Irregular has 7 synonyms on Word.ws, such as singular, coarse, unstable, heteroclite, salebrous, unsteady and abnormal.
What is the opposite of irregular?
The opposite of irregular is regular.
What does irregular mean?
Irregular means nonstandard; not conforming to rules or expectations.

Source and license

Adapted from Wiktionary: irregular (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

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Cite this page: “Synonyms of irregular.” Word.ws, https://word.ws/synonyms/irregular. Based on Wiktionary, CC BY-SA 4.0.