Impugn

Verb

Definition: To dispute the truth, validity, or honesty of (a statement or motive); to challenge or question.

Synonyms: Challenge, Question, Contest

Antonyms: Validate, Support, Accept

Examples:

The lawyer tried to impugn the credibility of the witness by providing contradictory evidence.
He constantly impugns the intentions of others without any evidence.

Mnemonics:

Imagine someone holding a magnifying glass and trying to examine and challenge every detail of a statement.

Etymology:

Origin:

Middle English from Old French 'empoigner', from Latin 'impugnare', from 'in-' (against) + 'pugnare' (to fight).

Historical Usage:

The word first appeared in English in the 15th century and has retained its meaning since then, with no notable changes in usage.

Related Idioms:

Idiom:

"Impugn someone's integrity"

Explanation:

To question or cast doubt on someone's honesty or moral character.

Misconceptions:

Misconception:

Confusing 'impugn' with 'impute'.

Explanation:

While both words involve questioning or challenging, 'impugn' specifically refers to disputing the truth or validity of a statement or motive, whereas 'impute' refers to attributing something to a person or thing (often a negative trait or quality).