adj
chummy
CHUH-mih
adj
1
Friendly and familiar, often in a way that seems overly informal.
"He got a bit too chummy with the new intern on her first day."
"They seemed surprisingly chummy for two people who'd just met."
How to Use Chummy
Learner’s notesIn plain EnglishActing friendly and familiar, sometimes in a way that feels forced or premature.
Common mistake
Chummy can carry a slightly negative shade — implying insincere or overly casual friendliness — unlike plain "friendly".
Word Forms
chummier comparative, more chummy comparative, chummies plural, chummiest superlative, most chummy superlative
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He got a bit too _____ with the new intern on her first day.
Etymology
From chum (\"friend\") + the adjective-forming suffix -y.