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Definition of vacuous adjective from the Oxford Advanced Learner's Dictionary

vacuous

adjective
 
/ˈvækjuəs/
 
/ˈvækjuəs/
(formal)
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  1. showing no sign of intelligence or sensitive feelings
    • a vacuous expression
    Word Originmid 17th cent. (in the sense ‘empty of matter’): from Latin vacuus ‘empty’ + -ous.
See vacuous in the Oxford Advanced American Dictionary
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Nearby words

alloy
noun
 
 
From the Topic
Physics and chemistry
C2
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