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  1. Mandatory Definition & Meaning - Merriam-Webster

  2. MANDATORY | English meaning - Cambridge Dictionary

  3. MANDATORY definition and meaning | Collins English Dictionary

  4. MANDATORY | definition in the Cambridge English Dictionary

  5. Mandatory - Definition, Meaning & Synonyms | Vocabulary.com

  6. Mandatory - definition of mandatory by The Free Dictionary

  7. mandatory adjective - Definition, pictures, pronunciation and ...