Thesaurus

knock out

verb

Synonyms and Antonyms of knock out

  1. to use up all the physical energy of <the entire staff knocked itself out getting the project finished on time> Synonyms break, burn out, bust, do in, do up, drain, fag, fatigue, frazzle, harass, kill, exhaust, outwear, tire, tucker (out), wash out, wear, wear out, wearyRelated Words debilitate, enervate, enfeeble, sap, waste, weakenNear Antonyms activate, energize, invigorate, rejuvenate, strengthen, vitalize; relax, rest, unwind


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