SYNONYMS AND RELATED EXPRESSIONS
impair
verb
To weaken or damage the functioning of something.
Local English device voice, when available. This is not a recorded dictionary pronunciation.
CHOOSE WITH CARE
A useful distinction
Alternatives apply to the displayed meaning. Related wording may differ in tone or grammar and is not always interchangeable.
To weaken or damage the functioning of something
Closest synonyms
Related words and expressions
These extend or explain the idea and may require a different sentence structure.
Usage distinction
Return to topAlternatives apply to the displayed meaning. Related wording may differ in tone or grammar and is not always interchangeable.
CHECK THE MEANING IN CONTEXT
See impair in use
Poor lighting can impair the accuracy of the inspection.
The broken hinge would impair the door's operation.
Compare an alternative with the original word in each passage. Shared meanings do not make every pair interchangeable.
Synonym reference scope and sources
The groups distinguish the senses selected for this study entry. Closest synonyms and broader related expressions have separate labels. The listed sources support lexical selection; not every phrase is a direct quotation from a source.
How the synonym reference was prepared / WordNet 3.0 license