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Definition optional in British English

optional adjective

adjective
/ˈɒpʃ(ə)nəl/
1

something that is optional is available or possible if you want it, but you do not have to have it or do it

Example

The price includes hotel and meals - entertainment is optional.

Example

Add 200 grammes of walnuts (optional).

Example

The history course is optional, but English is compulsory.

Example

Remote central locking comes as an optional extra.

Synonyms and related words
Definition optional in British English