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a. Lacking intelligence; stupid or empty-headed.
b. Devoid of substance or meaning; vapid or inane: a vacuous comment.
c. Devoid of expression; vacant: a vacuous stare. See Synonyms at empty.
2. Lacking serious purpose or occupation; idle: "A sleepless night was followed by a vacuous day" (Zon Ferraris).
3. Archaic Devoid of matter; empty: vacuous space.
[From Latin vacuus, empty; see vacuum.]
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.
1. containing nothing; empty
2. bereft of ideas or intelligence; mindless
3. characterized by or resulting from vacancy of mind: a vacuous gaze.
4. indulging in no useful mental or physical activity; idle
5. (Logic) logic maths (of an operator or expression) having no import; idle: in (x) (John is tall) the quantifier (x) is vacuous
6. (Mathematics) logic maths (of an operator or expression) having no import; idle: in (x) (John is tall) the quantifier (x) is vacuous
[C17: from Latin vacuus empty, from vacāre to be empty]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
vac•u•ous(ˈvæk yu əs)
2. lacking in or showing a lack of ideas or intelligence: a vacuous mind.
3. purposeless; idle.
[1645–55; < Latin vacuus empty]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Adj.||1.||vacuous - devoid of intelligence|
foolish - devoid of good sense or judgment; "foolish remarks"; "a foolish decision"
|2.||vacuous - devoid of significance or point; "empty promises"; "a hollow victory"; "vacuous comments"|
|3.||vacuous - devoid of matter; "a vacuous space"|
empty - holding or containing nothing; "an empty glass"; "an empty room"; "full of empty seats"; "empty hours"
|4.||vacuous - void of expression; "a blank stare"|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
adjective vapid, stupid, inane, blank, vacant, unintelligent the usual vacuous comments from the chat-show host
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.
vacuous[ˈvækjʊəs] ADJ (frm) [expression] → vacío, ausente; [face] → alelado, de pasmo; [comment] → vacuo, vacío; [person] → alelado, bobo
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
vacuous[ˈvækjʊəs] adj [person, comment, song] → inepte
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
vacuous[ˈvækjʊəs] adj (look, expression) → vacuo/a; (comment) → stupido/a, insulso/a
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995