Also found in: Thesaurus, Wikipedia.
Foolish or silly, especially in a smug or self-satisfied way: "an era of delicious, fatuous optimism shaped by the belief that enough good will on the part of people like ourselves could repair anything" (Shirley Abbott). See Synonyms at foolish.
[From Latin fatuus.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
complacently or inanely foolish
[C17: from Latin fatuus; related to fatiscere to gape]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
fat•u•ous(ˈfætʃ u əs)
foolish or inane, esp. in an unconscious, complacent manner; silly.
[1625–35; < Latin fatuus silly, foolish; see -ous]
syn: See foolish.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Switch to new thesaurus
|Adj.||1.||fatuous - devoid of intelligence|
foolish - devoid of good sense or judgment; "foolish remarks"; "a foolish decision"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
adjective foolish, stupid, silly, dull, absurd, dense, ludicrous, lunatic, mindless, idiotic, vacuous, inane, witless, puerile, moronic, brainless, asinine, weak-minded, dumb-ass (slang) That is not a fatuous argument, it has to be taken seriously.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
fatuous[ˈfætʃuəs] adj [remark, argument, idea] → stupide
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
fatuous[ˈfætjʊəs] adj → fatuo/a
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995