noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   A failure to perform a task, especially a task that one was legally bound to do. countable, uncountable
2. 2
   failure to act with the prudence that a reasonable person would exercise under the same circumstances wordnet

Synonyms

All synonyms

negligencecarelessnessculpaculpable negligencedefaultdelinquency

Etymology

From non- + performance.

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