1. Apprehension of danger and dread accompanied by restlessness, tension, tachycardia, and dyspnea unattached to a clearly identifiable stimulus.

2. In experimental psychology, a drive or motivational state learned from and thereafter associated with previously neutral cues.


[L. anxietas, anxiety, fr. anxius, distressed, fr. ango, to press tight, to torment]

anxiety attack

castration anxiety

free-floating anxiety

noetic anxiety

separation anxiety

situation anxiety