1) ослаблять 2) обеднять (состав горючей смеси)
1) ослаблять 2) разупрочнять 3) разбавлять, разводить, разжижать
глагол а) слабеть Например: Public support of the highway program began to weaken. — Общественная поддержка программы строительства дорог стала ослабевать. б) ослаблять Например: Lack of food weakened his strength — Недостаток пищи ослабил его. Синоним(ы): deplete, enervate, enfeeble, exhaust, sap, spend Антоним(ы): energize, invigorate, replenish, revitalize, strengthen, vitalize
verb (weakened; weakening) transitive verb 1. to make weak; lessen the strength of 2. to reduce in intensity or effectiveness intransitive verb to become weak • weakener noun Synonyms: weaken, enfeeble, debilitate, undermine, sap, cripple, disable mean to lose or cause to lose strength or vigor. weaken may imply loss of physical strength, health, soundness, or stability or of quality, intensity, or effective power Example: a disease that weakens the body's defenses . enfeeble implies an obvious and pitiable condition of weakness and helplessness Example: enfeebled by starvation. debilitate suggests a less marked or more temporary impairment of strength or vitality Example: the debilitating effects of surgery. undermine and sap suggest a weakening by something working surreptitiously and insidiously Example: a poor diet undermines your health Example: drugs had sapped his ability to think. cripple implies causing a serious loss of functioning power through damaging or removing an essential part or element Example: crippled by arthritis. disable suggests a usually sudden crippling or enfeebling Example: disabled soldiers received an immediate discharge.