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vacuous Antonyms
Opposite of vacuous
Because the opposite of vacuous shifts with each meaning, the 11 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
• adjective (Context 1)
Having or showing a lack of thought, intelligence, or serious substance; mindless or superficial.
Usage Example
"The critic dismissed the celebrity interview as a series of intelligent platitudes that offered no real insight."
Strongest
intelligent
profound
insightful
thoughtful
Strong
meaningful
substantive
perceptive
expressive
• adjective (Context 2)
Devoid of matter; empty (chiefly in formal or literary contexts).
Usage Example
"The telescope peered out into the vast, full expanse between distant galaxies."
Strongest
full
Strong
occupied
dense
Similar words to vacuous
Words similar to vacuous shift depending on context. Common synonyms include:
inane
empty
mindless
vapid
empty-headed
void
vacant
insipid
Cite this Entry
Wordmom. (2026). Antonyms for Vacuous. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/vacuous