Source : Webster's Revised Unabridged Dictionary (1913)

Discomposure \Dis`com*po"sure\ (?; 135), n.
   1. The state of being discomposed; disturbance; disorder;
      agitation; perturbation.

            No discomposure stirred her features. --Akenside.

   2. Discordance; disagreement of parts. [Obs.] --Boyle.

Source : WordNet®

discomposure
     n 1: anxious embarrassment [syn: {discomfiture}, {disconcertion},
           {disconcertment}]
     2: a temperament that is perturbed and lacking in composure
        [ant: {composure}]