Meaning & use

chum up

verb·AdvancedinformalBritish

Last updated

UK/ˈtʃʌm ʌp/
US/ˈtʃʌm ʌp/

Meaning

  1. verbintransitiveinformalBritish

    to become friendly with someone, or to make friends with someone

    Grammar: No object; usually followed by 'with' + person: chum up with a new colleague.

    Patterns

    • chum up with someone

    He chummed up with a couple of guys from the football team.

    She quickly chummed up with the other students in her class.

    It's easy to chum up with people at this café because everyone is so friendly.

Word forms

third person singularchums up
past tensechummed up
past participlechummed up
-ing formchumming up

Common combinations

chum up with someone
He chummed up with the new boy at school.
chum up to someone
She tried to chum up to the boss to get a promotion.
quickly chum up
Children quickly chum up with each other on the first day.

Synonyms and how they differ

befriend
More formal and often used for deliberately making friends with someone, while 'chum up' is casual and British.
pal up
Very similar in meaning and informality, but 'pal up' is also used in American English.
make friends
The general phrase; it does not need 'with' in the same way and is not restricted to British English.

Opposites

Word family

chum noun
A friend, especially a close one (informal, old-fashioned).
chummy adjective
Friendly and informal, often in a way that seems too close.

Commonly confused: chum up or cheer up?

chum up vs cheer up

Means to become happier, not to make friends. 'Chum up' is about forming friendships.

Practice

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