vacuity
noun
[ vəˈkjuːɪti ]
• lack of thought or intelligence; empty-headedness.
• "he denounced what he considered the frivolity or vacuity of much contemporary painting"
Similar:
empty-headedness,
lack of thought,
lack of intelligence,
brainlessness,
denseness,
thickness,
vacuousness,
vacancy,
inaneness,
inanity,
stupidity,
• empty space; emptiness.