Synonyms and Antonyms for Efficacious
Following is a list of 200 synonym words and phrases that are related to efficacious:
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4 Letter Words
safegoodable
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5 Letter Words
adept
6 Letter Words
potentusefulrobustviablesafestfecundcogentformalactive
7 Letter Words
tellingskilfuldurableworkingcapableformfulbeneficskilledenergic
8 Letter Words
efficacycurativereliablefeasibleworkablesanativeamenablesalutaryadequatenontoxicvirtuouslaudableskillfulfruitfulsuitablepowerfulremedialavailingspeedfuleloquentavailfulevinciveexertiveforcibleforceful
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9 Letter Words
effectualeffectivetrenchantimpellingefficienteminentlyexpedienthealthfulantidotalpromotiveaffectiveequitableimpactfuldesirablecompetentpracticalpromisingagreeableimpactivetolerableopportunefoolproofcongruoushonorableefficiousoperativeenergeticavailableeffectingresultfulappliablepowerableexistableenactableexecutivepotentialoperatoryin effect
10 Letter Words
impressiveefficiencysuccessfulbeneficialefficacityalterativebeneficentadjunctiveeradicableaffordableprofitableunamenablepreventiveconvenientacceptableefficaciesachievableliberativeinnovativeutilizablerealizableclinicallymeaningfulinhibitivesalubriousconsistentredemptiverewardablepropitioushonourablereplicableinefficacydissuasiveacceptablyvitalizingeffectuouseffectibleperficientequipotentconvincing
11 Letter Words
effectivelyefficientlyalleviativeineffectivealterativesmeritoriousexpeditiousimplementaltherapeuticsynergisticbeneficientpracticableintegrativeinexpensiverestorativeserviceablesupportablealternativesustainablestimulativetrustworthymeliorationoperationalinformativeenforceableinfluentialbenefitableapplicative
12 Letter Words
hard-hittingameliorativeprophylacticadvantageoussatisfactoryeffectualityrejuvenativeameliorationilluminativepreventativeeffectatiousbioeffectiveaccomplishedformalizable
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13 Letter Words
effectivenessinefficaciousimplementableindispensableadministrablenonbeneficialtherapeuticalinfluenceableevidencebasedcosteffectivecounteractiveantiinfectiveinterventionsequieffectiveeffervesciblesuperpowerful
14 Letter Words
tranquillizingtransformativeacceptablenessantiphlogistic
15 Letter Words
therapeuticallyunobjectionablecharacterizabletoxicologically
16 Letter Words
phytotherapeutic
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17 Letter Words
pharmacologically
Using this list of similar-meaning words, you can choose the best synonyms to replace efficacious in your sentences.
Additionally, you'll find antonyms included, perfect for when you need the complete opposite meaning of efficacious in your writing.