know-it-all
Noun
Meaning
someone who thinks he knows everything and refuses to accept advice or information from others
Source: WordNetAlternative names
know-it all
Synonyms
Antonyms
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Examples
Nothing's worse than a woman know-it-all.
I had a million plans. I knew what I was going to do. I had the next few years of my life all figured out. But what I didn't know was that within a few hours all those plans would change. Ms. Know-it-all didn't quite know it all so much then.
He's a man with a plan, Got a counterfeit dollar in his hand, He's misstra know-it-all.
I'm a real food know-it-all.
Fiction is often most powerful when the author is exploring an issue - and not writing like a know-it-all who has the perfect answer.
I just totally do not believe in this sort of Bart Simpson character who infects so much of our literature and film and TV stuff nowadays, these know-it-all kids who seem to understand the hypocrisy of the adult world so thoroughly and can talk about it with such articulateness. That's bunk.