vacuous

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vacuous /ˈvækjəwəs/ adjective
vacuous
/ˈvækjəwəs/
adjective
Learner's definition of VACUOUS
[more vacuous; most vacuous] formal
: having or showing a lack of intelligence or serious thought : lacking meaning, importance, or substance

— vacuously

adverb

— vacuousness

noun [noncount]
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