verb (used with object)
- impulse buying,
- impulse control disorder,
- impulse turbine
Origin of impugn
Examples from the Web for impugns
It is curious, how he produces evidence, supporting the very assertions whose accuracy he impugns.The Real Shelley, Vol. II (of 2)|John Cordy Jeaffreson
And this goes deeper than the private life—it impugns the sanctity of our intentions.Fifty Contemporary One-Act Plays|Various
Aristotle notices this opinion as held by some persons (not naming Plato), but impugns it as erroneous.
Plato has not made good his refutation — the thesis which he impugns is true.
Aristotle impugns, as alike untenable, both the two properties here alleged number and self-motion.Aristotle|George Grote
Word Origin for impugn
"attack by argument," late 14c., from Old French impugner, from Latin impugnare "to assault, to attack," from assimilated form of in- "into, in, on, upon" (see in- (2)) + pugnare "to fight" (see pugnacious). Related: Impugned; impugning.