impair Synonyms

decrease spoil vitiate weaken enfeeble deteriorate reduce deflower debilitate debase injure mar prejudice shend soured mangle souring maltreat whittling sprain marred marring pollute hinder ruin sap mutilate scar scath shake subvert tarnish destabilise destabilize undercutting bang up vandalize devaluate sabotage electronegative prejudicious desensitize desensitise wear away uglify undercut undermine vitiated weakened weakening