What is the opposite of compulsory?

Need antonyms for compulsory? Here's a list of opposite words from our thesaurus that you can use instead.

Contexts ▼▲ Opposite of required by law or a rule Opposite of necessary or very important Opposite of bound to happen Opposite of certain to happen Opposite of in accordance with official regulations or standard norms Opposite of occurring as a natural and inevitable consequence … more ▼ ▲ Adjective ▲ Opposite of required by law or a rule optional unnecessary arbitrary voluntary discretionary elective facultative noncompulsory volitional discretional inessential nonobligatory uncompelled unforced unimperative unstipulated non-compulsory non-mandatory non-obligatory non-requisite not required up to the individual free at your discretion unenforced uncoerced willing unconstrained nonessential freewill free-willed possible uncompletted unrestricted autonomous nonbinding open no strings attached unrequired secondary breakable unbinding revocable alterable wilful conscious elected gratuitous volunteer calculated purposed opted witting spontaneous willful purposeful permissive knowing planned willed with intent self-imposed open to choice “Whilst it is mandatory for passengers to wear seat belts in this country, it is optional in other parts of the world.” Adjective ▲ Opposite of necessary or very important inessential inconsequential incidental unimportant additional auxiliary extra extraneous extrinsic insignificant optional irrelevant superfluous surplus trivial dispensable frivolous immaterial minor needless redundant supplemental supplementary unnecessary accessory accidental expendable meaningless negligible noncompulsory nonessential nonobligatory trifling excess external uncritical unessential unneeded unrequired non-essential pointless secondary disposable useless not necessary excessive gratuitous unwarranted peripheral removable replaceable voluntary uncalled-for not essential not required uncalled for not needed surplus to requirements impertinent inappreciable skippable undesirable purposeless worthless unwanted undesired fractional part avoidable discretionary elective not vital “The game contains many inessential, though fun, side missions for you to complete in between the main storyline.” Adjective ▲ Opposite of bound to happen avoidable evadable uncertain unsure doubtful escapable optional voluntary Adjective ▲ Opposite of certain to happen avoidable preventable evadable evitable escapable avertible avertable correctable stoppable “Failure is avoidable if you take the necessary precautions.” Adjective ▲ Opposite of in accordance with official regulations or standard norms informal non-standard unofficial Adjective ▲ Opposite of occurring as a natural and inevitable consequence doubtful stick stickshift stilted thought-out uncertain unnatural unsure by hand manual transmission standard transmission Find more words! 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Sentences with the word compulsory Words that rhyme with compulsory What is the plural of compulsory? What is the adverb for compulsory? What is the adjective for compulsory? What is the noun for compulsory? Translations for compulsory Use our Antonym Finder Nearby Words compulsory acquisition compunction compunctions compunctious compunctiously computable compulsorily compulsive shopper compulsive sexual behavior compulsively compulsive compulsions 10-letter Words Starting With c co com comp compu compul compuls compulso compulsor