Definition of small talk noun from the Oxford Advanced Learner's Dictionary

 

small talk

 noun
noun
BrE
 
; NAmE
 
[uncountable]
 
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polite conversation about ordinary or unimportant subjects, especially at social occasions They made small talk for half an hour. He has no small talk (= is not good at talking politely about unimportant subjects). She was good at making small talk to put guests at their ease.
See the Oxford Advanced American Dictionary entry: small talk