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Definition sign up in British English

sign up phrasal verb

phrasal verb
1

to agree to do something, or to join a course or organization

Example

She's decided to sign up for evening classes.

Synonyms and related words
2

to put someone's name on an official list for something

Example

They've signed me up to do voluntary work next month.

Synonyms and related words
Example

We have signed up two new players.

Definition sign up in British English