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frustrate

[fruhs-treyt] /ˈfrʌs treɪt/
verb (used with object), frustrated, frustrating.
1.
to make (plans, efforts, etc.) worthless or of no avail; defeat; nullify:
The student's indifference frustrated the teacher's efforts to help him.
2.
to disappoint or thwart (a person):
a talented woman whom life had frustrated.
verb (used without object), frustrated, frustrating.
3.
to become frustrated:
His trouble is that he frustrates much too easily.
adjective
Origin
late Middle English
1400-1450
1400-50; late Middle English < Latin frustrātus, past participle of frustrārī, verbal derivative of frustrā in vain
Related forms
frustrater, noun
frustratingly, adverb
frustrative
[fruhs-trey-tiv, -truh-] /ˈfrʌs treɪ tɪv, -trə-/ (Show IPA),
adjective
refrustrate, verb (used with object), refrustrated, refrustrating.
Synonyms
1. balk, foil, circumvent. See thwart.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for frustrative

frustrate

/frʌˈstreɪt/
verb (transitive)
1.
to hinder or prevent (the efforts, plans, or desires) of; thwart
2.
to upset, agitate, or tire: her constant complaints began to frustrate him
adjective
3.
(archaic) frustrated or thwarted; baffled
Derived Forms
frustrater, noun
Word Origin
C15: from Latin frustrāre to cheat, from frustrā in error
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
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Word Origin and History for frustrative

frustrate

v.

mid-15c., from Latin frustratus, past participle of frustrari "to deceive, disappoint, frustrate," from frustra (adv.) "in vain, in error," related to fraus "injury, harm" (see fraud). Related: Frustrated; frustrating.

Online Etymology Dictionary, © 2010 Douglas Harper
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