Antonyms of noun composure

1 sense of composure

Sense 1
composure, calm, calmness, equanimity -- (steadiness of mind under stress; "he accepted their problems with composure and she with equanimity")
       Antonym of discomposure (Sense 2)
      => discomposure -- (a temperament that is perturbed and lacking in composure)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun composure

1 sense of composure

Sense 1
composure, calm, calmness, equanimity -- (steadiness of mind under stress; "he accepted their problems with composure and she with equanimity")
       => disposition, temperament -- (your usual mood; "he has a happy disposition")