3 days ago · 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. American …

If something is optional, you can choose whether or not you do it or have it. A holiday isn't an optional extra. In this stressful, frantic world it's a must. Sex education is a sensitive area for some parents, …

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

The comprehensive definition of optional. Includes pronunciation, synonyms, etymology, and usage examples to help you master this word.

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

Find 29 different ways to say OPTIONAL, along with antonyms, related words, and example sentences at Thesaurus.com.

May 9, 2026 · Noun optional (plural optionals) Something that is not compulsory, especially part of an academic course. (programming, sometimes capitalized) In various programming languages, a kind …