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Irregular Definition & Meaning - Merriam-Webster
IRREGULAR | definition in the Cambridge English Dictionary
IRREGULAR Definition & Meaning | Dictionary.com
Irregular Verbs: Definition & Examples | Grammarly Blog
IRREGULAR | English meaning - Cambridge Dictionary
IRREGULAR Synonyms: 265 Similar and Opposite Words - Merriam-Webster
Irregular - Definition, Meaning & Synonyms | Vocabulary.com
Irregular Definition & Meaning | Britannica Dictionary
IRREGULAR definition and meaning | Collins English Dictionary
IRREGULAR Definition & Usage Examples | Dictionary.com