follow Dictionary.com

How Well Do You Know English Slang?

vacuous

[vak-yoo-uh s] /ˈvæk yu əs/
adjective
1.
without contents; empty:
the vacuous air.
2.
lacking in ideas or intelligence:
a vacuous mind.
3.
expressing or characterized by a lack of ideas or intelligence; inane; stupid:
a vacuous book.
4.
purposeless; idle:
a vacuous way of life.
Origin
1645-1655
1645-55; < Latin vacuus empty; see -ous
Related forms
vacuously, adverb
vacuousness, noun
nonvacuous, adjective
nonvacuously, adverb
nonvacuousness, noun
unvacuous, adjective
unvacuously, adverb
unvacuousness, noun
Can be confused
vacant, vacuous, vapid.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for un-vacuous

vacuous

/ˈvækjʊəs/
adjective
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, maths) (of an operator or expression) having no import; idle: in (x) (John is tall) the quantifier (x) is vacuous
Derived Forms
vacuously, adverb
vacuousness, noun
Word Origin
C17: from Latin vacuus empty, from vacāre to be empty
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for un-vacuous

vacuous

adj.

1640s, "empty," from Latin vacuus "empty, void, free" (see vacuum). Figurative sense of "empty of ideas" is from 1848. Related: Vacuously; vacuousness.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for vacuous

Some English speakers likely know this word

Word Value for un

2
4
Scrabble Words With Friends

Quotes with un-vacuous

Nearby words for un-vacuous