noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The quality of being unchanging; constancy. uncountable
2. 2
   the quality of being unchangeable; having a marked tendency to remain unchanged wordnet

Synonyms

All synonyms

changelessnessconstancydurabilitydurationendurancehardening

Antonyms

All antonyms

changeabilityfluxinstabilityvariability

Etymology

From unchanging + -ness.