know–it–all

1 ENTRIES FOUND:
Save
know–it–all /ˈnowətˌɑːl/ noun
plural know–it–alls
know–it–all
/ˈnowətˌɑːl/
noun
plural know–it–alls
Learner's definition of KNOW–IT–ALL
[count] informal + disapproving
: a person who talks and behaves like someone who knows everything
often used before another noun
called also (British) know-all