efficacious
Use Efficacious in a sentence
ɪˈkeɪ
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To efficacious
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World English Dictionary
efficacious (ˌɛfɪˈkeɪʃəs) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —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 | |
| effi'caciously | |
| —adv | |
| effi'caciousness | |
| —n | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Efficacious
is always a great word to know.
So is ninnyhammer. Does it mean:
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| a fool or simpleton; ninny. |
Etymonline
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
He points out that conventional medicines must be shown to be both safe and efficacious before they can be licensed for sale.
The competition has certainly proved efficacious.
We have found that in most of the common cases a homeopathic remedy is frequently efficacious.
Only for adult postoperative and chemotherapy nausea and vomiting did they find clear evidence that acupuncture was efficacious.
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