adj to make vapid or spiritless; as, to deaden wine.
2. deaden ·adj to lessen the velocity or momentum of; to retard; as, to deaden a ship's headway.
3. deaden ·add. ·vt to render impervious to sound, as a wall or floor; to deafen.
4. deaden ·adj to deprive of gloss or brilliancy; to obscure; as, to deaden gilding by a coat of size.
5. deaden ·adj to make as dead; to impair in vigor, force, activity, or sensation; to lessen the force or acuteness of; to blunt; as, to deaden the natural powers or feelings; to deaden a sound.