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Explicit Words:

COMPULSORY Antonyms

There are 3 antonyms of the word compulsory. (opposite meanings)
Also try opposite words for..
compelcompellingcompulsorily

Best Opposite Words For COMPULSORY

RankWordSave?Synonyms..UsageType
1optional
adjectiveadj
2elective
noun, adjectiven, adj
3voluntary
adjectiveadj

Alternatives for OPTIONAL

Alternatives for ELECTIVE

Alternatives for VOLUNTARY

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