Synonyms of vacuous

Adjective

1. asinine, fatuous, inane, mindless, vacuous, foolish (vs. wise)

usage: devoid of intelligence

2. empty, hollow, vacuous, meaningless (vs. meaningful), nonmeaningful

usage: devoid of significance or point; "empty promises"; "a hollow victory"; "vacuous comments"

3. vacuous, empty (vs. full)

usage: devoid of matter; "a vacuous space"

4. blank, vacuous, uncommunicative (vs. communicative), incommunicative

usage: void of expression; "a blank stare"

Definition and meaning of vacuous (Dictionary)