adj.
Pronunciation: ' va-ky ə -w ə s
Function: adjective
Etymology: Latin vacuus
Date: circa 1660
1 : emptied of or lacking content
2 : marked by lack of ideas or intelligence : STUPID , INANE <a vacuous mind> <a vacuous movie>
3 : devoid of serious occupation : IDLE
synonyms see EMPTY
– vac · u · ous · ly adverb
– vac · u · ous · ness noun