1 the state of being anxious.
2 concern about an imminent danger, difficulty, etc.
3 (foll. by for, or to + infin.) anxious desire.
4 a thing that causes anxiety (my greatest anxiety is that I shall fall ill).
5 Psychol. a nervous disorder characterized by a state of excessive uneasiness.
Etymology: F anxieteacute or L anxietas -tatis (as ANXIOUS)
Useful english dictionary. 2012.