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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
shaft
antitrust
crumpet
stench
smuggler
arbitrate
septic
yodel
request
aluminum
harvest
vista
zit
vineyard
facility
overdrawn
afford
tattle
breeching
stagnate
effectual
effective
impressive
telling
hard-hitting
trenchant
impelling
efficacy
effectively
effectiveness
efficiently
efficiency
efficient
successful
inefficacious