An unpleasant state of mental uneasiness, nervousness, apprehension and obsession or concern about some uncertain event.
An uneasy or distressing desire (for something).
A state of restlessness and agitation, often accompanied by a distressing sense of oppression or tightness in the stomach.
Ataraxia; freedom from mental disturbance; imperturbability, dogged indifference.
State of psychological calm and tranquility, absence of discomfort, or metabolical inactivity.