WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a temperament that is perturbed and lacking in composure
noun.
anxious embarrassment
Word Usage
"Her discomposure was a clear pain to herself; she had had a shock of extreme violence, and Nick saw that as Miriam showed no symptom of offering to give up her sitting her stay would be of the briefest."