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 ...

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

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.

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

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. As …

Possible but not compulsory; left to personal choice.... Click for English pronunciations, examples sentences, video.

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

金山词霸致力于为用户提供高效、精准的在线翻译服务，支持中、英、日、韩、德、法等177种语言在线翻译，涵盖即时免费的AI智能翻译、英语翻译、俄语翻译、日语翻译、韩语翻译、图片翻译、文档翻 …