frustrate
Americanverb (used with object)
-
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
-
to disappoint or thwart (a person).
a talented woman whom life had frustrated.
verb (used without object)
adjective
verb
-
to hinder or prevent (the efforts, plans, or desires) of; thwart
-
to upset, agitate, or tire
her constant complaints began to frustrate him
adjective
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
She also saw her players start to let calls and miscommunications frustrate them: “I didn’t think our next-play speed was as good as it has been, and it affects you,” she said.
From Los Angeles Times • Mar. 24, 2026
"National power is less about missiles and aircraft and more about the will and resolve of the people," Khamenei said, adding: "Show it again and frustrate the enemy."
From Barron's • Feb. 9, 2026
Even if a 3-2 scoreline would frustrate, it may save jobs when the review does come after this series with a win even more important for the coaching staff than the players.
From BBC • Dec. 29, 2025
The absence of an Eiffel challenger continued to frustrate Burnham.
From "The Devil in the White City" by Erik Larson
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.