The Oxford Thesaurus An A-Z Dictionary of Synonyms - deadenv.

1) numb, benumb, paralyse, anaesthetize, desensitize, dull; damp: This injection will deaden your hand and you'll feel no pain. 2) weaken, moderate, soothe, mitigate, assuage, reduce, lessen, diminish, alleviate, cushion, soften, mollify, blunt, dull: He took to drink to deaden the shock of losing his only son.