Skip to content

nonobligatory

adjective

Not obligatory.

Similar

discretionary elective facultative free noncompulsory nonmandatory nonobligate nonrequired

Opposite

basic essential indispensable necessar necessary

Scrabble 19

Ask AI about this wordChatGPT Claude Perplexity Google AI Grok

Meanings

adjectivenonobligatory (not comparable)

not comparableNot obligatory.
Synonyms: discretionary, elective, facultative, free, noncompulsory, nonmandatory, nonobligate, nonrequired · Antonyms: basic, essential, indispensable, necessar, necessary, necessitous, needed, prerequisite

Synonyms & antonyms

adjectiveNot obligatory.

Similar

discretionary elective facultative free noncompulsory nonmandatory nonobligate nonrequired nonrequisite optional optionary unrequired volitional voluntary

Opposite

basic essential indispensable necessar necessary necessitous needed prerequisite required requisite

More synonyms by meaning

adjectivenot required by rule or law

Similar

nonmandatory optional

Also see

avoidable facultative nonmandatory nonobligate nonrequisite optional

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From non- + obligatory.

Full word history & related roots →

Rhymes & wordplay

Anagrams

Cite this entry

APA

nonobligatory. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/nonobligatory

MLA

“nonobligatory.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nonobligatory. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “nonobligatory,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/nonobligatory.

Source: nonobligatory on Wiktionary, CC BY-SA 4.0.