Synonyms of vacuous in English:

vacuous


See definition of vacuous

adjective

1‘he had a vacuous expression on his face’

SYNONYMS
blank, vacant, expressionless, deadpan, inscrutable, inexpressive, poker-faced, emotionless, impassive, absent, absent-minded, uninterested, empty, glassy, stony, wooden, motionless, lifeless, inanimate
ANTONYMS

expressive, meaningful

2‘an elite clique of vacuous High School beauties’

SYNONYMS
empty-headed, unintelligent, without thought, brainless, dense, dull-witted, thick, vacant, inane, stupid
informal brain-dead
ANTONYMS

thinking, intelligent