The Collaborative International Dictionary of English v.0.48:
Perturbed \Per*turbed"\, a. Agitated; disturbed; troubled. --Shak. -- Per*turb"ed*ly, adv. [1913 Webster]WordNet (r) 3.0 (2006):
perturbed adj 1: thrown into a state of agitated confusion; (`rattled' is an informal term) [syn: flustered, hot and bothered(p), perturbed, rattled]