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  1. Irregular Definition & Meaning - Merriam-Webster

  2. IRREGULAR | definition in the Cambridge English Dictionary

  3. Irregular - Definition, Meaning & Synonyms | Vocabulary.com

  4. IRREGULAR Definition & Meaning | Dictionary.com

  5. IRREGULAR | English meaning - Cambridge Dictionary

  6. IRREGULAR Synonyms: 265 Similar and Opposite Words - Merriam-Webster

  7. IRREGULAR definition and meaning | Collins English Dictionary

  8. irregular adjective - Definition, pictures, pronunciation and usage ...

  9. Irregular Definition & Meaning | Britannica Dictionary

  10. IRREGULAR Definition & Usage Examples | Dictionary.com