optional

[op-shuh-nl] / ˈɒp ʃə nl /

ADJECTIVE

possible; available as choice

Synonyms

WEAK

alternative arbitrary discretional discretionary elective extra facultative free no strings attached noncompulsory nonobligatory not required open unforced unrestricted up to the individual volitional voluntary

Antonyms

WEAK

compulsory forced required

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Or would investors be deprived of useful information if quarterly reports became optional?

From The Wall Street Journal • May 19, 2026

Free community event with optional VIP packages available for purchase.

From Los Angeles Times • May 5, 2026

That said, this is one of those recipes where disclosure is optional.

From Salon • May 5, 2026

But scientists, universities, publishers, and funders need to treat peer review as the essential work that it is, not as an optional favor.

From Slate • May 3, 2026

Their attendance at the pardon, as well as at virtually every White House event, became entirely optional.

From "Becoming" by Michelle Obama

Vocabulary lists containing optional

Jim Burke's Academic Vocabulary List

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100 SAT words Beginning with "O"

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New Kid

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