Meaning of IRREGULAR in English

IRREGULAR

n. Function: adjective

1 not according with or explainable by law, rule, or custom FF1C; unusual problems require irregular solutions FF1E;

Synonyms: abnormal, anomalous, deviant, divergent, off-key, unnatural, unregular

Related Words: aberrant, atypical; exceptional, odd, peculiar, queer, singular, strange, unique

Contrasted Words: natural, normal, typical; accustomed, customary, habitual, usual, wonted

Antonyms: regular

2

Synonyms: INFORMAL 1, unceremonious, unofficial

3

Synonyms: LOPSIDED , asymmetric, disproportionate, nonsymmetrical, off-balance, overbalanced, unbalanced, unequal, uneven, unsymmetrical

Antonyms: regular

4

Synonyms: RANDOM , aimless, designless, desultory, haphazard, hit-or-miss, indiscriminate, purposeless, unaimed, unconsidered

Related Words: occasional, sporadic; erratic, fitful, spasmodic; inconstant, uneven, unsteady

5

Synonyms: SPOTTY 1, patchy, uneven

Merriam Webster. Collegiate thesaurus English dictionary.      Английский энциклопедический толковый словарь тезауруса.