frustrated

[fruhs-trey-tid]

Origin:
1635–45; frustrate + -ed2

unfrustrated, adjective
Dictionary.com Unabridged

frustrate

[fruhs-treyt]
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:
1400–50; late Middle English < Latin frustrātus, past participle of frustrārī, verbal derivative of frustrā in vain

frustrater, noun
frustratingly, adverb
frustrative [fruhs-trey-tiv, -truh-] , adjective
refrustrate, verb (used with object), refrustrated, refrustrating.


1. balk, foil, circumvent. See thwart.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
frustrate (frʌˈstreɪt)
 
vb
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
 
adj
3.  archaic frustrated or thwarted; baffled
 
[C15: from Latin frustrāre to cheat, from frustrā in error]
 
frus'trater
 
n

frustrated (frʌˈstreɪtɪd)
 
adj
having feelings of dissatisfaction or lack of fulfilment

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

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

frustrated
"disappointed," pp. adj., 1640s; see frustrate.
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
They were more regretful, disappointed, and frustrated.
Repeated attempts to contact company have left me frustrated and disappointed.
The high price of poor software design is paid daily by millions of frustrated
  users.
Do you know how frustrated and angry it makes us that you all are buying the
  lies and letting this happen to more kids.
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