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Synonyms

frustrate

American  
[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.

    Synonyms:
    circumvent, foil, balk
  2. to disappoint or thwart (a person).

    a talented woman whom life had frustrated.


verb (used without object)

frustrated, frustrating
  1. to become frustrated.

    His trouble is that he frustrates much too easily.

adjective

  1. Obsolete. frustrated.

frustrate British  
/ frʌˈstreɪt /

verb

  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

"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

adjective

  1. archaic frustrated or thwarted; baffled

"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

Related Words

See thwart.

Other Word Forms

  • frustrater noun
  • frustratingly adverb
  • frustrative adjective
  • refrustrate verb (used with object)

Etymology

Origin of frustrate

First recorded in 1400–50; late Middle English, from Latin frustrātus, past participle of frustrārī, verbal derivative of frustrā “in vain”

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Sauer couldn’t give a straight answer, which seemed to frustrate the justice.

From Slate • Apr. 1, 2026

Bishop Alemany baseball coach Randy Thompson has been known to frustrate Harvard-Westlake, and his son, Brody, had big game on Friday.

From Los Angeles Times • Mar. 21, 2026

This matters because much of the inflation and stagnation that frustrate households today isn’t about demand.

From Barron's • Feb. 2, 2026

Two things particularly frustrate supporters with VAR: decisions which come as a surprise and those which take far too long.

From BBC • Jan. 15, 2026

But now all of them, good and bad, frustrate me.

From "All The Bright Places" by Jennifer Niven