noun Date: 1895 one who claims to know everything; also one who disdains advice • know-it-all adjective

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Know-it-all — n. One who knows everything; hence, a person who makes pretension to great knowledge, especially one whose didactic conversational habit conspicuously reveals his belief that he has superior knowledge on many subjects; a wiseacre; a know all; us …   The Collaborative International Dictionary of English

  • Know-it-all — or know all is an epithet applied to any person who exhibits the belief that he or she possesses a superior intellect and wealth of knowledge, and shows a determination to demonstrate his perceived superiority at every opportunity. ee also* Whiz… …   Wikipedia

  • know-it-all — know it alls N COUNT (disapproval) If you say that someone is a know it all, you are critical of them because they think that they know a lot more than other people. [AM, INFORMAL] (in BRIT, use know all) …   English dictionary

  • know-it-all — n informal especially AmE someone who behaves as if they know everything used to show disapproval British Equivalent: know all …   Dictionary of contemporary English

  • know-it-all — know it ,all noun count INFORMAL someone who is annoying because they think they know everything …   Usage of the words and phrases in modern English

  • know-it-all — index bigot Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • know-it-all — know′ it all n. a person who acts as though he or she had better knowledge or understanding than anyone else • Etymology: 1930–35 …   From formal English to slang

  • know-it-all — [n] intellectual, smart aleck braggart, brain*, smarty pants*, walking encyclopedia, windbag, wiseacre, wise guy*; concepts 412,423 …   New thesaurus

  • know-it-all — UK / US noun [countable] Word forms know it all : singular know it all plural know it alls informal a know all …   English dictionary

  • know-it-all — noun One who makes it appear as if theyre an expert on a subject while there are also signals (subtly or blatantly noticeable) that they dont know very much on the subject or at least as much as theyre acting like they do on the subject;… …   Wiktionary

  • know-it-all — {n.} A person who acts as if he knows all about everything; someone who thinks no one can tell him anything new. * /After George was elected as class president, he wouldn t take suggestions from anyone; he became a know it all./ Also used like an …   Dictionary of American idioms

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”