Antonyms of obligatory from BoostVocab

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obligatory

/ə'blɪɡə,toʊri/

Synonyms of obligatory Antonyms of obligatory Examples of obligatory Usage of obligatory Parts of obligatory Definition that contains obligatory Words sounding like obligatory Explanation of obligatory

adjective
morally or legally constraining or binding
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"attendance is obligatory" "an obligatory contribution"

Similar:

compulsory de rigueur imposed incumbent on indispensable mandatory required bounden prerequisite

Opposite:

optional
adjective
required by obligation or compulsion or convention
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"he made all the obligatory apologies"

Similar:

necessary

Antonyms of obligatory