THESAURUS
enfeeble
abate, afflict, attenuate, blunt, bugger, cramp, cripple, damp, dampen, de-energize, deaden, debilitate, derange, devitalize, disable, disenable, disorder, drain, dull, enervate, eviscerate, exhaust, extenuate, gruel, hamstring, hors de combat, hospitalize, inactivate, incapacitate, indispose, invalid, kibosh, lame, lay low, lay up, maim, mitigate, put, queer, queer the works, rattle, reduce, sabotage, sap, shake, shake up, sicken, soften up, spike, unbrace, undermine, unfit, unman, unnerve, unstrengthen, unstring, weaken, wing, wreck
ROGET THESAURUS
enfeeble
Weakness
VB
be weak, drop, crumble, give way, totter, tremble, shake, halt, limp, fade, languish, decline, flag, fail, have one leg in the grave, render weak, weaken,
enfeeble, debilitate, shake, deprive of strength, relax, enervate, eviscerate, unbrace, unnerve, cripple, unman, cramp, reduce, sprain, strain, blunt the edge of, dilute, impoverish, decimate, extenuate, reduce in strength, reduce the strength of, mettre de l'eau dans son vin.