Meaning of IRREGULAR in English

IRREGULAR

1.

If events or actions occur at ~ intervals, the periods of time between them are of different lengths.

Cars passed at ~ intervals...

He worked ~ hours.

? regular

ADJ

~ly

He was eating ~ly, steadily losing weight.

ADV: ADV with v

~ity (~ities)

...a dangerous ~ity in her heartbeat.

N-VAR

2.

Something that is ~ is not smooth or straight, or does not form a regular pattern.

He had bad teeth, ~ and discolored.

= uneven

? regular

ADJ

~ly

Located off-center in the ~ly shaped lake was a fountain.

ADV: usu ADV -ed

~ity

...treatment of abnormalities or ~ities of the teeth.

N-VAR

3.

Irregular behaviour is dishonest or not in accordance with the normal rules.

...the minister accused of ~ business practices...

ADJ

~ity

...charges arising from alleged financial ~ities.

N-VAR

4.

An ~ verb, noun, or adjective has different forms from most other verbs, nouns, or adjectives in the language. For example, ‘break’ is an ~ verb because its past form is ‘broke’, not ‘breaked’.

? regular

ADJ

Collins COBUILD.      Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) .