noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   an erroneous belief
2. 2
   a heresy; an unorthodox belief
3. 3
   doubt; an erroneous lack of belief. obsolete

Synonyms

All synonyms

agnosticismairy nothingalbigensianismantinomianismarianismatheism

Etymology

From Middle English misbileve, from mis- + bileve; equivalent to mis- + belief. Compare later misbelieve.

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