Word.ws English Dictionary

irregular

/ɪˈɹɛɡ.jʊ.lə//ɪˈɹɛɡ.jə.lɚ/

irregular adjective: nonstandard; not conforming to rules or expectations.

Adjective

irregular (comparative more irregular, superlative most irregular)

  1. Nonstandard; not conforming to rules or expectations.
    • ‘ “It would be most irregular Grandpa!” says Miss Cecily frowning and tapping her foot. “Well, we’re a pretty irregular family so that’s neither here nor there,” says the old man, impish like. [...] ’1967, Barbara Sleigh, Jessamy, Sevenoaks, Kent: Bloomsbury, published 1993, →ISBN, page 33
  2. Of a surface, rough.
    Synonyms:
    coarse
  3. Without symmetry, regularity, or uniformity.
    • The hovel stood in the centre of what had once been a vegetable garden, but was now a patch of rank weeds. Surrounding this, almost like a zareba, was an irregular ring of gorse and brambles, an unclaimed vestige of the original common.1944, Miles Burton, chapter 5, in The Three Corpse Trick
    • Near by, where the crystal clear River Llugwy is crossed by a bridge, stands a small and ancient church built of massive, irregular boulders.1980, AA Book of British Villages, Drive Publications Ltd, page 100
    Synonyms:
    unstable
  4. Of a polygon, not regular; having sides that are not equal or angles that are not equal.
  5. Of a polyhedron, whose faces are not all regular polygons (or are not equally inclined to each other).
  6. Of a word, not following the regular or expected patterns of inflection in a given language.
    • "Calves", "cacti", and "children" are irregular plurals.
    • "To buy" is an irregular English verb: its past simple and past participle tense is "bought".
    Synonyms:
    heteroclite
  7. Having abnormal bowel movements at inconsistent intervals.
    Antonyms:
    regular

Noun

irregular (plural irregulars)

  1. A soldier who is not a member of an official military force and who may not use regular army tactics.
  2. One who does not regularly attend a venue.
    • There's one neighborhood tavern where the regulars and irregulars go after a hard day to unlax and rewind, throw back a few, and just hang out - you know the one.2015, Brian Cook, Hands Across The Sea, page 190

irregular meaning in Hindi, Tamil, Marathi and Urdu

irregular in Hindi

non-standard
अमानक amānak, अनियमित aniymit
lacking uniformity
अनियमित aniymit

irregular in Tamil

ஒழுங்கற்ற, முறைகேடான, முறையற்ற, விதிக்குப் புறம்பான, விதிக்குப்புறம்பான ஒழுங்கற்ற முறை தவறான, ஒழுங்கில்லாத

irregular in Marathi

irregular
अनियमित aniyamit

irregular in Urdu

irregular, unusual
گڑبڑ gaṛbaṛ
More languagesFewer languages
irregular in Bengali
অনিয়মিত, অসামঞ্জস্যপূর্ণ, নিয়মবহির্ভূত
irregular in Malayalam
ക്രമരഹിതമായ, നിരപ്പല്ലാത്ത, ഉയർന്നും താണുമുള്ള, അക്രമ
irregular in Kannada
ಅಸಮ ಪ್ರಮಾಣದ, ಅಸಮ ತಳದ, ಅಸಮ ರೂಪದ, ಒಂದೇತರವಿಲ್ಲದ
irregular in Punjabi
ਬੇਕਾਇਦਾ bekāidā
irregular in Gujarati
અનિયમિત
irregular in Odia
ଅନିଯ଼ମିତ
irregular in Nepali
अनियमित
irregular in Arabic
شَاذّ šāḏḏ, غَيْر مُنْتَظِم ḡayr muntaẓim

Examples of irregular in a sentence

  • I hate learning all the irregular conjugations in French.
  • The improvements will be most keenly felt across Lincolnshire, where current irregular service patterns are more a function of operational convenience than passenger demand.2019 October, Tony Miles, Philip Sherratt, “EMR kicks off new era”, in Modern Railways, page 58:

All 40 example sentences with irregular

Synonyms of irregular

Antonyms

All synonyms and antonyms of irregular

Forms of irregular

Adjective
comparativemore irregular
superlativemost irregular
Noun
pluralirregulars

Origin of irregular

From Middle English irreguler, from Old French irreguler, from Medieval Latin or Late Latin irrēgulāris, from in- + regularis, equivalent to ir- + regular.

Words formed from irregular

Phrases with irregular

Questions about irregular

What does irregular mean?
Irregular means nonstandard; not conforming to rules or expectations.
What is irregular in Hindi?
Irregular in Hindi is अमानक (amānak), अनियमित (aniymit). See Irregular meaning in Hindi.
How do you use irregular in a sentence?
I hate learning all the irregular conjugations in French.
What part of speech is irregular?
Irregular can be an adjective or a noun.
How do you pronounce irregular?
Irregular is pronounced /ɪˈɹɛɡ.jʊ.lə/ (UK).

Words near irregular in the dictionary

  1. irregardlessly
  2. irregeneracy
  3. irregenerate
  4. irregeneration
  5. irregible
  6. irregular
  7. irregular galaxies
  8. irregular galaxy
  9. irregular prime
  10. irregular primes
  11. irregular prism

Source and license

Adapted from Wiktionary: irregular (page history and authors); irregular (Tamil Wiktionary) (page history and authors); अनियमित (Marathi) (page history and authors); گڑبڑ (Urdu) (page history and authors); Irregular (Bengali Wiktionary) (page history and authors); irregular (Olam, E.K. Kurup corpus) (dataset and license); irregular (Kannada Wiktionary) (page history and authors); ਬੇਕਾਇਦਾ (Punjabi) (page history and authors); irregular (Gujarati, IndicTrans2 machine translation) (model and license); irregular (Odia, IndicTrans2 machine translation) (model and license); irregular (Nepali, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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