noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   The state or quality of being hollow. uncountable, usually
2. 2
   the quality of not being open or truthful; deceitful or hypocritical wordnet
3. 3
   the property of having a sunken area wordnet
4. 4
   the state of being hollow: having an empty space within wordnet

Synonyms

All synonyms

absurditycasuistryconcavitydeadnessdegradationdemotion

Antonyms

All antonyms

solidity

Etymology

From hollow + -ness.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.