Synonyms and Antonyms of effectiveness
1 the capacity to persuade the “guilty” verdict was all the proof needed of the effectiveness of the prosecutor's closing argument Synonyms of effectiveness authority, conclusiveness, convincingness, cogency, force, forcefulness, persuasion, persuasiveness, suasivenessWords Related to effectiveness impact, might, power, punch, strength, weight; believability, credibility, soundness, validity; authoritativeness, definitiveness; influence, sway; appeal, seductivenessNear Antonyms of effectiveness invalidity, shakiness, unsoundness; feebleness, powerlessness, weaknessAntonyms of effectiveness inconclusiveness, ineffectiveness, ineffectuality, ineffectualness
2 the power to produce a desired result the huge upsurge in sales pretty much demonstrated the effectiveness of the new ad campaign Synonyms of effectiveness edge, efficacy, effectualness, efficaciousness, efficacity, efficiency, productivenessWords Related to effectiveness ability, capability, capacity; potency, puissance, strengthNear Antonyms of effectiveness inability, inadequacy, inadequateness, incompetence, incompetencyAntonyms of effectiveness ineffectiveness, ineffectuality, ineffectualness, inefficiency
3 the quality of an utterance that provokes interest and produces an effect your writing lacks effectiveness because practically every sentence is in the passive voice Synonyms of effectiveness cogency, punch, force, forcefulness, impact, pointWords Related to effectiveness payoff; importance, significance; appeal, attraction, charm, fascination
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