efficaciously

efficacious

[ef-i-key-shuhs]
adjective
capable of having the desired result or effect; effective as a means, measure, remedy, etc.: The medicine is efficacious in stopping a cough.

Origin:
1520–30; < Latin efficāci- (stem of efficāx) effectual. See efficient, -acious

efficaciously, adverb
efficaciousness, noun
nonefficacious, adjective
nonefficaciously, adverb
unefficacious, adjective
unefficaciously, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To Efficaciously
Collins
World English Dictionary
efficacious (ˌɛfɪˈkeɪʃəs)
 
adj
capable of or successful in producing an intended result; effective as a means, remedy, etc
 
[C16: from Latin efficāx powerful, efficient, from efficere to achieve; see effect]
 
effi'caciously
 
adv
 
effi'caciousness
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

efficacious
1520s, from L. efficaci- (see efficacy) + -ous. Related: Efficaciously.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature