[dead.en] vb dead.ened ; dead.en.ing vt (1665) 1: to impair in vigor or sensation: blunt "~ed his enthusiasm"
2. a: to deprive of brilliance b: to make vapid or spiritless c: to make (as a wall) impervious to sound
3: to deprive of life: kill ~ vi: to become dead: lose life or vigor -- dead.en.er n -- dead.en.ing.ly adv