Dictionary

optional

adjective op·tion·al \ˈäp-shnəl, -shə-nəl\

: available as a choice but not required

Full Definition of OPTIONAL

:  involving an option :  not compulsory
op·tion·al·i·ty \ˌäp-shə-ˈna-lə-tē\ noun
op·tion·al·ly adverb
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Examples of OPTIONAL

  1. Jackets are required at the restaurant, but ties are optional.
  2. Many optional features are available on this car.
  3. Registration is optional, not mandatory.

First Known Use of OPTIONAL

1765
OPTIONAL Defined for Kids

optional

adjective op·tion·al \ˈäp-shə-nəl\

Definition of OPTIONAL for Kids

:  left to choice :  not required <Costumes are optional at the party.>

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