The act of frustrating, or the state, or an instance of being frustrated.
A thing that frustrates.
The feeling of annoyance at impassibility from resistance.
The state of contract that allows a party to back away from its contractual obligations due to (unforeseen) radical changes to the nature of the thing a party has been obligated to.
Anger not directed at anything or anyone in particular.
A real or pretended indifference to pleasure or pain; insensibility; impassiveness.
A school of philosophy popularized during the Roman Empire that emphasized reason as a means of understanding the natural state of things, or logos, and as a means of freeing oneself from emotional distress.