ONAD→vacuous

vacuous

EnglishOxford New American Dictionary

vacuous /ˈvakyo͞oəs, ˈvækjuəs

▸ adjective having or showing a lack of thought or intelligence; mindless:

a vacuous smile

vacuous slogans.

▪ archaic empty.

– DERIVATIVES
vacuously /ˈvakyo͞oəslē, ˈvækjuəsli

/ adverb,vacuousness /ˈvakyo͞oəsnəs, ˈvækjuəsnəs

/ noun

– ORIGIN mid 17th century (in the sense ‘empty of matter’): from Latin vacuus ‘empty’ + -ous.

vacuous — ONAD · Shobdo