Simple Definition of frustration

from our Learner's Dictionary

frustration

noun

plural frustrations
1
a
: a feeling of anger or annoyance caused by being unable to do something : the state of being frustrated
He shook his head in frustration.
These bureaucratic delays have been causing us a lot of frustration.
b
: something that causes feelings of anger and annoyance
These delays have proven to be a major frustration.
We've been experiencing a lot of frustrations.
2
: the fact of being prevented from succeeding or doing something
He was angry about the frustration of his plans. [=he was angry because he was prevented from succeeding in his plans]

Cite this Entry

“Frustration.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/frustration. Accessed 19 Jun. 2026.

More from Merriam-Webster