An uneasy or distressing desire (for something).
An unpleasant state of mental uneasiness, nervousness, apprehension and obsession or concern about some uncertain event.
A state of restlessness and agitation, often accompanied by a distressing sense of oppression or tightness in the stomach.
An unchanging quality or characteristic of a person or thing.
The quality of being constant; steadiness or faithfulness in action, affections, purpose, etc.