Impugn(v. t.) To attack by words or arguments; to contradict; to assail; to call in question; to make insinuations against; to gainsay; to oppose.
Impugnable(a.) Capable of being impugned; that may be gainsaid.
Impugnation(n.) Act of impugning; opposition; attack.
Impugned(imp. & p. p.) of Impugn
Impugner(n.) One who impugns.
Impugning(p. pr. & vb. n.) of Impugn
Impugnment(n.) The act of impugning, or the state of being impugned.
Words within impugnable