Know-all and Wise guy

Know-all

Know-all noun - Someone who thinks he knows everything and refuses to accept advice or information from others.
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Synonyms for Know-all

Wise guy is a synonym for know-all (American) in smart aleck topic. In some cases you can use "Wise guy" instead a noun phrase "Know-all", when it comes to topics like smart alec.

Wise guy

Wise guy noun - A person who likes to show off in a clever but annoying way.
Usage example: if you weren't such a wise guy all the time, people might be more interested in hearing what you have to say
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Synonyms for Wise guy

Know-all is a synonym for wise guy. (British) You can use "Know-all" instead a noun phrase "Wise guy". popular alternative
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Wise guy and Know-all. (2016). Retrieved 2026, August 18, from https://thesaurus.plus/related/know-all/wise_guy
Know-all & Wise guy. N.p., 2016. Web. 18 Aug. 2026. <https://thesaurus.plus/related/know-all/wise_guy>.
Wise guy or Know-all. 2016. Accessed August 18, 2026. https://thesaurus.plus/related/know-all/wise_guy.