adjective Etymology: Latin vacuus Date: circa 1660 emptied of or lacking content, marked by lack of ideas or intelligence ; stupid , inane , devoid of serious occupation ; idle , see: empty ~ly adverb ~ness noun
VACUOUS
Meaning of VACUOUS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012