Synonyms and Antonyms for Efficacy
Following is a list of 200 synonym words and phrases that are related to efficacy:
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5 Letter Words
ility
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6 Letter Words
effectimpacttrialssafetymeritspurityvigour
7 Letter Words
utilitysuccesspotencyplaceboqualityability
8 Letter Words
adequacyvaliditytoxicityaccuracylegalityveracityposologyideality
9 Letter Words
effectiveefficientviabilitysoundnessrelevanceadherencestabilitylongevityrightnessfecundityusabilityendurance
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10 Letter Words
usefulnessefficiencyefficacityinefficacyrobustnessdurabilityethicalitypertinencelegitimacyimportanceprevalencyworthinesspermanencelawfulnesscompetencesolubilityprevalencetenabilitycurabilitycompetencyeffetenesstestednesstechnicitycoefficacyusablenessoptimalitypotentnessexpedience
11 Letter Words
efficaciousperformanceineffectivereliabilityfeasibilityeffectivitysuitabilityusefullnessequivalenceharmfulnessworkabilityconsistencybioactivityhomogeneitynontoxicitytestabilitydrugabilitysovereigntyoperabilitycookabilityequipotency
12 Letter Words
efficienciestolerabilityeffectualitydesirabilitypracticalitytruthfulnessselfefficacybiostabilityharmlessnessmitogenicityavoidabilityplausibilityimplicitnessagreeabilitycompletenessadequatenessavailabilitytreatabilityadaptabilityevaluabilitysuperabilityergogenicityworkableness
13 Letter Words
effectivenessacceptabilityapplicabilityaffectivenessoperativenessinnocuousnessconducivenessadjuvanticitypreferabilityexportabilityhealthfulnesspenetrabilityattainabilitypredicabilityequitablenessaffordabilityfabricabilityopportunenessreversibilityeffectualnessproducibilityineffectivityself-efficacyefficientnessutilizabilityexecutabilityavailablenessgerminabilityfunctionalityface validitymeasurability
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14 Letter Words
practicabilityimmunogenicitypredictivenessmeaningfulnesssuccessfulnessjustifiabilityacceptablenessreactogenicityoperationalityperformabilityirrefutabilityintolerabilityconfirmabilitybioequivalenceconclusivenessdispensabilitypersuasivenesseffectuousnessproductibilityclarifiabilityexhibitabilityeffectlessnessperfectabilityserviceabilityproduceabilityconvincibilitypsychoactivity
15 Letter Words
efficaciousnessdemonstrabilityineffectivenessappropriatenessquantifiabilityreproducibilitybioavailabilitynoninvasivenessinexpensivenesscontrollabilitytrustworthinessunchangeabilitymeritoriousnesstranslatabilityexperimentality
16 Letter Words
implementabilitysatisfactorinessbiocompatibilitypharmacokineticsphytotherapeuticreadministrationtransformabilityimmunomodulatingradiosensitizingbiodegradabilityneutralizability
17 Letter Words
costeffectivenessimmunostimulationimmunostimulatinginefficaciousnessoral availabilitymanufacturability
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18 Letter Words
cost-effectivenessinterchangeabilitycounterfeitability
19 Letter Words
psychopharmacologic
Using this list of similar-meaning words, you can choose the best synonyms to replace efficacy in your sentences.
Additionally, you'll find antonyms included, perfect for when you need the complete opposite meaning of efficacy in your writing.