Word Type

Adjective

Adjective

Noun

The word "irregular" can be used as adjective, adjective and noun.

Word Relationships

Opposites (Antonyms)

regular regular

Capable Of

mean not regular

Derived Terms

Baker Street Irregular irregular galaxy irregular prime irregular prism irregular verb irregular warfare irregularist irregularity irregularization irregularize irregularly irregularness nonirregular on an irregular basis regioirregular stereoirregular

Context

geometry

Broader Terms (Hypernyms)

merchandise product ware warrior

Type Of (IsA)

merchandise

Related Terms

asymmetrical force illegal military nonstandard partisan regular regularity rough soldier symmetry uniformity unrhythmical unsteady unsystematic

Similar Terms

abnormal abnormal asymmetric asymmetrical asymmetrical casual crooked illegal imperfect imperfect improper occasional occasional part time part-time partisan partizan randomised randomised randomized rough sporadic strong strong unconventional unconventional uneven uneven unlawful unnatural unrhythmic unrhythmical unsmooth unsteady unsystematic

Synonym Network

guerrilla temporary unorthodox unpredictable unsymmetrical

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.