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

OPTIONAL definition: left to one's choice; not required or mandatory. See examples of optional used in a sentence.

OPTIONAL meaning: 1. If something is optional, you can choose if you want to do it, pay it, buy it, etc.: 2. If…. Learn more.

Possible but not compulsory; left to personal choice....

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. American …

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 provide with …

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, you would like.

Optional definition: Left to choice; not compulsory or automatic.

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