Vexation (noun)

The state of being annoyed or irritated; the cause of annoyance or irritation.

Origin:

Late middle english: from old french, or from latin vexatio(n-), from vexare "to trouble, harass". .

Examples:

1. The constant noise was a source of vexation.
2. The delay caused much vexation among the passengers.
3. The vexation on her face was clear to see.
4. The vexation of dealing with bureaucracy was overwhelming.
5. The vexation of the situation was compounded by the lack of information.