Synonyms and Antonyms for
required
1. required (adj.)
necessary for relief or supply
Synonyms:
necessary
needed
requisite
needful
Antonyms:
unnecessary
redundant
supererogatory
surplus
unneeded
2. required (adj.)
required by rule
Synonyms:
obligatory
compulsory
mandatory
Antonyms:
optional
dispensable
inessential
evitable
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