vacuous

adjectives

devoid of intelligence

asinine, fatuous, inane, mindless, vacuous

is derived from

is derived from

devoid of significance or point

"empty promises"; "a hollow victory"; "vacuous comments"

empty, hollow, vacuous

is derived from

devoid of matter

"a vacuous space"

vacuous

is similar to

holding or containing nothing

"an empty glass"; "an empty room"; "full of empty seats"; "empty hours"

void of expression

"a blank stare"

blank, vacuous