Simple Definition of optional
: available as a choice but not required
Examples of optional in a sentence
Jackets are required at the restaurant, but ties are optional.
Many optional features are available on this car.
Registration is optional, not mandatory.
First Known Use of optional
OPTIONAL Defined for Kids
Definition of optional for Students
: left to choice : not required <Costumes are optional at the party.>
Seen and Heard
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