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Irregular Definition & Meaning - Merriam-Webster
IRREGULAR | English meaning - Cambridge Dictionary
IRREGULAR | definition in the Cambridge English Dictionary
IRREGULAR Definition & Meaning | Dictionary.com
Irregular - Definition, Meaning & Synonyms | Vocabulary.com
IRREGULAR definition and meaning | Collins English Dictionary
IRREGULAR | meaning - Cambridge Learner's Dictionary
Irregular - definition of irregular by The Free Dictionary
Irregular Definition & Meaning | YourDictionary
irregular - Wiktionary, the free dictionary