know-it-all

noun
\ˈnō-ət-ˌȯl \

Definition of know-it-all 

: one who claims to know everything also : one who disdains advice

Other Words from know-it-all

know-it-all adjective

First Known Use of know-it-all

1873, in the meaning defined above

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Time Traveler for know-it-all

The first known use of know-it-all was in 1873

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More Definitions for know-it-all

know-it-all

noun

English Language Learners Definition of know-it-all

: a person who talks and behaves like someone who knows everything

know-it-all

noun
\ˈnō-ət-ˌȯl\

Kids Definition of know-it-all

: a person who always claims to know everything

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to reject or criticize sharply

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