noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Lack of certainty. countable, uncountable
2. 2
   Something that is uncertain. countable, uncountable

Synonyms

All synonyms

uncertainty

Etymology

From Middle English noun certeynte, nown certeyntee; equivalent to non- + certainty.

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