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

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

OPTIONAL definition: left to one's choice; not required or mandatory. See examples of optional used 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 adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

[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

If you can choose whether or not to do something, it is optional. Extra credit is always optional; death and taxes are not. When you buy a new car, you can decide which options or choices, …

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

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