— vacuously , adv. — vacuousness , n.
/vak"yooh euhs/ , adj.
1. without contents; empty: the vacuous air.
2. lacking in ideas or intelligence: a vacuous mind.
3. expressing or characterized by a lack of ideas or intelligence; inane; stupid: a vacuous book.
4. purposeless; idle: a vacuous way of life.
[ 1645-55; vacuus empty; see -OUS ]