frustrate
verb (used with object)
to make (plans, efforts, etc.) worthless or of no avail; defeat; nullify.
had frustrated
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past perfectof frustrate.past perfect
Used to express a completed action that took place before another specific past action occurred.
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.
The EU’s member countries on Thursday approved sweeping tariff cuts for many U.S. imports, marking the last formal vote in a multistep process whose pace had frustrated American officials.
From The Wall Street Journal ● Jun. 25, 2026
In fact, the discourse had frustrated her enough that she recalled yelling at the TV newscast, “No one cares! Show me where the fire perimeter is! Tell me where the wind is going!”
From Los Angeles Times ● Jul. 2, 2025
This had frustrated countries such as Saudi Arabia, who have ambitions to become high-tech economies as they transition away from oil.
From BBC ● May 20, 2025
The plan follows several cuts in its production plan between April and June, which had frustrated its suppliers.
From Reuters ● May 11, 2022
Sometimes, I knew I had frustrated a detective.
From "The Autobiography of Malcolm X" by Alex Malcolm X;Hailey
