deaden

Synonyms: abate alleviate anesthetize benumb blunt check chloroform consume cushion damp dampen depress deprive desensitize destroy devitalize dim dope drown dull etherize exhaust freeze frustrate gas hush impair incapacitate injure knock out ko lay out lessen mute numb paralyze put out of order put to sleep quieten reduce repress retard slow smother soften stifle stun stupefy suppress tire tone down unnerve weaken

Antonyms: animate build enliven increase strengthen