[op-shuh-nl] /ˈɒp ʃə nl/

left to one’s choice; not required or mandatory:
Formal dress is optional.
leaving something to choice.
possible but not compulsory; left to personal choice

1765, from option + -al (1).


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    noun a selectional or check box in a software or Internet application Usage Note computing

  • Optioned

    [op-shuh n] /ˈɒp ʃən/ noun 1. the power or right of choosing. 2. something that may be or is chosen; choice. 3. the act of choosing. 4. an item of equipment or a feature that may be chosen as an addition to or replacement for standard equipment and features: a car with a long list […]

  • Optionee

    [op-shuh-nee] /ˌɒp ʃəˈni/ noun 1. a person who acquires or holds a legal .

  • Option money

    noun 1. (commerce) the price paid for buying an option

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