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inefficacious

[in-ef-i-key-shuhs]

adjective

not able to produce the desired effect; ineffective.

Origin:
1650–60; in-³ + efficacious

Related forms

in·ef·fi·ca·cious·ly, adverb

in·ef·fi·ca·cious·ness, in·ef·fi·cac·i·ty

[in-ef-i-kas-i-tee] , noun

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To inefficacious

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Inefficacious has a plethora of syllables.

So is floccinaucinihilipilification. Does it mean:

given to using long words.

the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).

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Collins

World English Dictionary

inefficacious (ˌɪnɛfɪˈkeɪʃəs)

—*adj*
	failing to produce the desired effect

ineffi'caciously

—*adv*

inefficacy

—n

ineffi'caciousness

—n

inefficacity

—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
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Matching Quote

"Though the practice of chivalry fell even more sadly short of its theoretic standard than practice generally falls below theory, it remains one of the most precious monuments of the moral history of our race, as a remarkable instance of a concerted and organized attempt by a most disorganized and distracted society, to raise up and carry into practice a moral ideal greatly in advance of its social condition and institutions; so much so as to have been completely frustrated in the main object, yet never entirely inefficacious, and which has left a most sensible, and for the most part a highly valuable impress on the ideas and feelings of all subsequent times."

-John Stuart Mill

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