Know-it-all
Know-it-all noun - Someone who thinks he knows everything and refuses to accept advice or information from others.
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Synonyms for Know-it-all
Smarty-pants is a synonym for know-it-all in good topic. In some cases you can use "Smarty-pants" instead a noun phrase "Know-it-all", when it comes to topics like one who claims full knowledge. popular alternative
Smarty-pants
Smarty-pants noun - A person who likes to show off in a clever but annoying way.
Usage example: I don't need to hear from some smarty-pants second-guesser that the theme for the party is all wrong
Know-it-all is a synonym for smarty-pants (American) in good topic. You can use "Know-it-all" instead the phrase "Smarty-pants" as a noun or an adjective, if it concerns topics such as smart aleck. popular alternative
Mutual synonyms
Related pairs
- intellectual and know-it-all
- intellectual and smarty-pants
- malapert and know-it-all
- malapert and smarty-pants
- conceited and know-it-all
- conceited and smarty-pants
- egotistical and know-it-all
- egotistical and smarty-pants
- smart aleck and know-it-all
- smart aleck and smarty-pants
- brain and know-it-all
- brain and smarty-pants
- show-off and know-it-all
- show-off and smarty-pants
Both words in one sentence
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In-Series Nickname: Ellen had the best nickname for her smarty-pants know-it-all roommate: Stupid Judy.
Source: Ride / Ellen's Energy Adventure
Cite this Source
Smarty-pants and Know-it-all. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/know-it-all/smarty-pants
Know-it-all & Smarty-pants. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/know-it-all/smarty-pants>.
Smarty-pants or Know-it-all. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/know-it-all/smarty-pants.
