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

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

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.

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

If you can choose whether or not to do something, it is optional. Extra credit is always optional; death and taxes are not.

Find 151 different ways to say OPTIONAL, along with antonyms, related words, and example sentences at Thesaurus.com.

Synonyms for OPTIONAL: voluntary, elective, discretionary, alternative, unnecessary, chosen, alternate, unwanted; Antonyms of OPTIONAL: mandatory, compulsory, required, obligatory, …

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