Know-it-all synonyms

nō'ĭt-ôl'

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A person regarded as annoyingly self-assertive, especially for making impudent displays of knowledge.
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Alternative spelling of wiseguy.
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(Informal) smart aleck
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A mass or pile of rubble, refuse, or fragments, as of stone, brush, or ice.
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A person who feigns wit, pretending or aspiring to be witty
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A person regarded as being disagreeably egotistical and self-assured.
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(Slang) A wiseacre or wiseguy
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(Chiefly UK) Alternative form of know-it-all.
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A smart aleck or know-it-all
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(Now archaic) An impudent or saucy person. [from 15th c.]
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(Informal, former) A saucy, rude child
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(Chiefly US) A self-styled expert in a given field.
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By analogy with a human brain, the part of a machine or computer that performs calculations.
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A person who makes wisecrack remarks; a smart aleck
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(Slang) Incriminating information or evidence:
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Find another word for know-it-all. In this page you can discover 25 synonyms, antonyms, idiomatic expressions, and related words for know-it-all, like: smart aleck, walking encyclopedia, wise guy, smarty, brash, witling, wiseacre, wisenheimer, know-all, smarty-pants and malapert.