Standard Lemma guide

nonperformance

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A failure to perform a task, especially a task that one was legally bound to do.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

failure to act with the prudence that a reasonable person would exercise under the same circumstances

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: negligence, carelessness, neglect

Antonyms: none provided

Broader terms: nonaccomplishment, nonachievement

Narrower terms: dereliction, comparative negligence, concurrent negligence, contributory negligence, criminal negligence, culpable negligence, neglect of duty, evasion, escape, dodging

History

Etymology

From non- + performance.