noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Synonym of opacity. countable, uncountable
2. 2
   the quality of being opaque to a degree; the degree to which something reduces the passage of light wordnet
3. 3
   incomprehensibility resulting from obscurity of meaning wordnet

Synonyms

All synonyms

opacitydarknessdimnessobscurityopacityroil

Antonyms

All antonyms

clearness

Etymology

From opaque + -ness.

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