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ineffectual

[in-i-fek-choo-uh l]
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adjective
  1. not effectual; without satisfactory or decisive effect: an ineffectual remedy.
  2. unavailing; futile: His efforts to sell the house were ineffectual.
  3. powerless; impotent.

Origin of ineffectual

late Middle English word dating back to 1375–1425; see origin at in-3, effectual
Related formsin·ef·fec·tu·al·i·ty, in·ef·fec·tu·al·ness, nounin·ef·fec·tu·al·ly, adverb

Synonyms

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2. ineffective, fruitless, pointless, abortive. See useless. 3. feeble, weak.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for ineffectual

ineffectual

adjective
  1. having no effect or an inadequate effect
  2. lacking in power or forcefulness; impotentan ineffectual ruler
Derived Formsineffectuality or ineffectualness, nounineffectually, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for ineffectual

adj.

early 15c., from in- (1) "not, opposite of" + effectual. Related: Ineffectually; ineffectuality.

Online Etymology Dictionary, © 2010 Douglas Harper