SYNONYMS AND RELATED EXPRESSIONS
impugn
verb
To challenge the truth, integrity, or validity of something.
Local English device voice, when available. This is not a recorded dictionary pronunciation.
Challenge validity or integrity
Closest synonyms
Related words and expressions
These extend or explain the idea and may require a different sentence structure.
Usage distinction
Return to topImpugn often targets honesty, motives, or validity; discredit suggests damaging credibility rather than merely raising a challenge.
CHECK THE MEANING IN CONTEXT
See impugn in use
The reviewer did not impugn her honesty but questioned her method.
The organizer's ascription of the project's success entirely to luck also ignored the group's months of careful preparation. An assistant chose to impugn that account by producing dated sketches and records of the shared work.
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