An unhappy and worried mental state.
Roget 824: excitation of feeling; mental excitement; suscitation†, galvanism, stimulation, piquance, piquancy, provocation, inspiration, calling forth, infection; animation, agitation, perturbation; ... show more
physics A secondary influence on a system that causes it to deviate slightly.
Activity that is a malfunction, intrusion, or interruption:
— The term `distress' connotes some degree of perturbation and emotional upset.
A disposition that is confused or nervous and upset.
The act of causing disorder.
Moby thesaurus: ado, aggravation, agitation, all-overs, angst, animation, anxiety, anxiety hysteria, anxiety neurosis, anxious bench, anxious concern, anxious seat, anxiousness, apprehension, apprehensiveness, arousal, arousing, baffle, bafflement, befuddlement ... show more.
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