The phrase "a source of exasperation" is correct and usable in written English.
It can be used to describe something that causes frustration or annoyance.
Example: "The constant delays in the project became a source of exasperation for the entire team."
Alternatives: "a cause of frustration" or "a point of irritation."
Yet this remains a source of exasperation.
Mr. Bulos fulminates amusingly as the cantankerous Bill, whose rock-solid Maronite faith is both a source of exasperation and, oddly, succor to his nonbelieving nephews.
The password has become a monkey on our digital backs — an essential key to our many devices and accounts, but increasingly a source of exasperation and insecurity.
For a player who prides himself on being a key part in a collective, his inability to live up to his billing has been a source of exasperation.
For years, the elevators in New York City's public housing projects have been a source of exasperation for tenants, who call them unreliable, foul and sometimes dangerous.
However Root wants hundreds and that must be a source of exasperation for him in this series, in which he has now scored 485 runs and has always looked in exquisite form.
The warnings about China's possible reaction and the questions about the sincerity of his pullback from outright independence are a source of endless exasperation for Mr. Chen.
Wikipedia will tell you that the "CSI effect" is a source of continued exasperation for genuine law enforcement professionals, since the global popularity of the franchise had the side-effect of making millions of normal citizens believe they had a grasp of investigative techniques.
This seems to have been a lifelong source of exasperation for Singer's mother, Batsheva, whose father was himself a renowned rabbi — though he was a rationalist and viewed Pinchas Mendel as a feckless schlemiel.
LOS ANGELES — If David Ortiz was bothered that his teammate Ryan Dempster plunked Alex Rodriguez, he found a new source of exasperation as he stood at his locker Friday afternoon — that people were still asking him about it.
