— impugnable , adj. — impugnability , n. — impugner , n. — impugnment , n.
/im pyoohn"/ , v.t.
1. to challenge as false (another's statements, motives, etc.); cast doubt upon.
2. Archaic. to assail (a person) by words or arguments; vilify.
3. Obs. to attack (a person) physically.
[ 1325-75; ME impugnen impugner impugnare to attack, equiv. to im- IM- 1 + pugnare to fight, deriv. of pugnus fist; see PUGNACIOUS ]
Syn. 1. attack, asperse, malign, criticize, censure.