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Know-it-all synonyms
nō'ĭt-ôl'
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A person who feigns wit, pretending or aspiring to be witty
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  1. A person who feigns wit, pretending or aspiring to be witty
  2. One who has little wit.
  3. A person with little wit
A person regarded as annoyingly self-assertive, especially for making impudent displays of knowledge.
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  1. A person regarded as annoyingly self-assertive, especially for making impudent displays of knowledge.
  2. (Rare) A well-dressed person.
  3. One who is given to obnoxious or insolent humor; a wise guy.
A person regarded as being disagreeably egotistical and self-assured.
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  1. A person regarded as being disagreeably egotistical and self-assured.
  2. A person who makes annoyingly conceited claims to knowledge
(Now archaic) An impudent or saucy person. [from 15th c.]
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  1. (Now archaic) An impudent or saucy person. [from 15th c.]
  2. An impudent, saucy person.
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  1. A saucy, impudent or impertinent person.
  2. (Informal, former) A saucy, rude child
An obnoxiously clever or quick-witted person; a smart aleck.
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  1. An obnoxiously clever or quick-witted person; a smart aleck.
  2. (Informal) smart aleck
A smart aleck.
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  1. A smart aleck.
  2. (Slang) A wiseacre or wiseguy
A person who makes wisecrack remarks; a smart aleck
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  1. A person who makes wisecrack remarks; a smart aleck
A mobster.
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  1. A mobster.
  2. A smart aleck.
Find another word for know-it-all. In this page you can discover 11 synonyms, antonyms, idiomatic expressions, and related words for know-it-all, like: witling, smart aleck, wiseacre, malapert, saucebox, smarty, smarty-pants, wisenheimer, wisecracker, wise guy and good.