optional

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

Definition of optional

:involving an option :not compulsory

optionality

play \ˌäp-shə-ˈna-lə-tē\ noun

optionally

adverb

Examples of optional in a Sentence

  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.

Recent Examples of optional from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'optional.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of optional

1765


OPTIONAL Defined for English Language Learners

optional

play
adjective

Definition of optional for English Language Learners

  • : available as a choice but not required


OPTIONAL Defined for Kids

optional

play
adjective op·tion·al \ ˈäp-shə-nᵊl \

Definition of optional for Students

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


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