The meaning of OPTIONAL is involving an option : not compulsory. How to use optional in a sentence.

Define optional. optional synonyms, optional pronunciation, optional translation, English dictionary definition of optional. adj. Left to choice; not compulsory or automatic. op′tion·al·ly adv. …

(Definition of optional from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Definition of optional adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Jackets are required at the restaurant, but ties are optional. Many optional features are available on this car. Registration is optional, not mandatory.

Sep 22, 2025 · As with any makeup step, eyeliner is completely optional. From an artistic perspective, if you are wearing eyeshadow, I almost always recommend wearing eyeliner, …

[Football.]a play in which a back has a choice of either passing or running with the ball. v.t. to acquire or grant an option on: The studio has optioned his latest novel for film adaptation. to …

optional in American English (ˈɑpʃənəl ) adjective left to one's option, or choice; not compulsory; elective

optional, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

optional meaning, definition, what is optional: if something is optional, you do not hav...: Learn more.