noun ·Moderate ·College level

Definitions

Noun

1. 1
   Property of being insincere, lacking sincerity or truthfulness. countable, uncountable

   "His insincerity was obvious to all; he was neither honest nor believable."

2. 2
   the quality of not being open or truthful; deceitful or hypocritical wordnet

Synonyms

All synonyms

affectationaffectednessairsairs and gracesapparent soundnessartfulness

Antonyms

All antonyms

sincerity

Example

More examples

"He works fast and is very articulate but his insincerity is his biggest defect."

Etymology

From in- + sincerity.

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