optional
noun
- 1
Something that is not compulsory, especially part of an academic course.
- 2
(sometimes capitalized) In various programming languages, a kind of variable that is assigned a specific data type but may or may not hold an actual value.
adjective
- 1
Not compulsory; left to personal choice; elective.
“On that beach clothing is entirely optional.”
Synonyms
Antonyms
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