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Minimalist Dictionary
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efficacious
/ɛf.ɪ.ˈkeɪ.ʃəs/
adjective
Synonyms
effective
Antonyms
inefficacious
Effective; possessing efficacy.
This medicine is efficacious.
Word Frequency 1800~2019
Related words
Other words
stride
trowel
shrill
pony
timing
stride
dedicator
quantum
quotation
mortified
display
giggly
sliceable
glazing
countable
paralyze
confront
puma
pecan
splurge
effectual
effective
impressive
telling
hard-hitting
trenchant
impelling
efficacy
effectively
effectiveness
efficiently
efficiency
efficient
successful
inefficacious