Jun 21, 2026 · 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.

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

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.

The class template std::optional manages an optional contained value, i.e. a value that may or may not be present. A common use case for optional is the return value of a function that may fail.

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

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

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

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 …

Optional refers to something that is not compulsory or required, and can be chosen at one's own discretion or preference. It offers the freedom to decide whether to follow, participate, include, or …