impugning Definition

impugn
verb

impugned, impugning
1. To call into question or raise doubts about (the honesty, integrity, etc of someone or something); to criticize or challenge.

Thesaurus: challenge, attack, criticize, oppose, assail, dispute, question, vilify; Antonym: praise.

Derivative: impugnable
adj

Derivative: impugnment
noun

Etymology: 14c: from French impugner, from Latin impugnare to attack.