Synonyms of weakening

1 Syllable

droop, faint, tire, halt, fail, lose, flag, wilt, ebb, wane, cut, limp, fade, thin, sap

2 Syllables

lower, soften, depress, lessen, temper, falling, reflux, languish, tremble, totter, dwindle, relax, flagging, crumble, exhaust, cripple, impair

3 Syllables

vitiate, write-down, relapse, reduce, attrition, diminish, lessening, dilute, decrease, debase, retroflux, decline, refluence, abate

4 Syllables

moderate, enervate, attenuation, enervation, impoverish, enfeeblement, devaluation, devaluations, undermine, diminution, mitigate, retrocession, minimize

5 Syllables

devitalize, debilitate, adulterate, invalidate