nonperformance
Noun
Meaning
Neglect or failure to perform.
Source: Webster's dictionarySynonyms
neglect
negligence
carelessness
loss
lemon
bungle
mora
failure
defeat
bomb
collapse
disaster
default
failing
fault
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Antonyms
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Examples
Performance stands out like a ton of diamonds. Nonperformance can always be explained away.
It is much more difficult to measure nonperformance than performance.