Find Antonyms

irregular Antonyms

Opposite of irregular

Because the opposite of irregular shifts with each meaning, the 14 antonyms and opposite words below are separated across 5 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Occurring at uneven or unpredictable intervals in time; lacking a fixed schedule or steady rhythm.

Usage Example

"The patient sought medical advice after noticing an regular heartbeat during exercise."

Strongest
regular
steady
consistent
Strong
constant
predictable

• adjective (Context 2)

Not even, balanced, or symmetrical in shape, surface, or arrangement.

Usage Example

"The ancient stone wall had an regular surface worn down by centuries of wind and rain."

Strongest
regular
symmetrical
even
Strong
uniform
smooth

• adjective (Context 3)

Contrary to established rules, standard procedures, laws, or conventional customs.

Usage Example

"The auditors flagged several regular financial transfers that bypassed standard approval protocols."

Strongest
regular
standard
conventional
Strong
orthodox
lawful
proper

• adjective (Context 4)

Not following the standard patterns of inflection or conjugation in a language (of a word or grammatical form).

Usage Example

"Children learning English often need extra practice to master regular verbs such as 'go' and 'went'."

Strongest
regular

• noun (Context 5)

A member of an armed force or militia that does not belong to a country's official, regular military establishment.

Usage Example

"Local irregulars familiar with the mountain passes assisted the main army with reconnaissance."

Strongest
regular

Similar words to irregular

Words similar to irregular shift depending on context. Common synonyms include:

uneven
erratic
asymmetrical
second
unorthodox
sporadic
unconventional
intermittent
See all synonyms of irregular

Cite this Entry


Wordmom. (2026). Antonyms for Irregular. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/irregular
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