emasculateEnglishOxford American Thesaurusemasculate verb 1 our winner-take-all elections emasculate fringe parties: weaken, make feeble/feebler, debilitate, enfeeble, enervate, dilute, erode, undermine, impoverish, cripple, reduce the powers of; remove the sting from, pull the teeth of; informal water down. ▷antonyms strengthen. 2 young cocks should be emasculated at three months old: castrate, neuter, geld, cut, desex, asexualize, sterilize, remove the testicles of; unman; North American, & Australian alter; informal doctor, fix; rare evirate, caponize, eunuchize.