vacuous (adjective) vacuous: empty; unintelligent
Detalii: vacant pertains mainly to things (vacant house) while vacuous pertains mainly to the absence or near absence of meaning or intelligence (vacuous expression)
Sinonime: airheaded, birdbrained,
blank, drained,
dull,
dumb, emptied,
foolish, half-baked,
inane, lamebrained, minus,
shallow,
silly*,
stupid,
superficial, uncomprehending, unreasoning,
vacant,
voidAntonime: aware,
filled,
full,
intelligent