efficacious
[ ef-i-key-shuh s ]
/ ˌɛf ɪˈkeɪ ʃəs /
adjective
capable of having the desired result or effect; effective as a means, measure, remedy, etc.: The medicine is efficacious in stopping a cough.
QUIZZES
TAKE THIS QUIZ TO SEE WHAT YOU KNOW ABOUT HIGH SCHOOL PUNCTUATION!
Commas mark divisions in sentences. Periods end declarative sentences. Apostrophes show possession. Easy, right? Well, punctuation can get pretty tricky—fast. Think you got what it takes to be a punctuation expert? Take our quiz to prove it!
Question 1 of 10
Which of the options below is the best punctuation for the sentence? It__s your turn to pick the movie __ but your sister gets to pick the board game we _ re going to play.
Its your turn to pick the movie but your sister gets to pick the board game we’re going to play.
It’s your turn to pick the movie but your sister gets to pick the board game were going to play.
It’s your turn to pick the movie, but your sister gets to pick the board game we’re going to play.
TAKE THE QUIZ TO FIND OUTOTHER WORDS FROM efficacious
Words nearby efficacious
effervesce, effervescence, effervescent, effervescent salt, effete, efficacious, efficacity, efficacy, efficiency, efficiency apartment, efficiency expert
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for efficacious
British Dictionary definitions for efficacious
efficacious
/ (ˌɛfɪˈkeɪʃəs) /
adjective
capable of or successful in producing an intended result; effective as a means, remedy, etc
Derived forms of efficacious
efficaciously, adverbefficaciousness, nounWord Origin for efficacious
C16: from Latin efficāx powerful, efficient, from efficere to achieve; see effect
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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