Use 'discompose' to describe a significant emotional disturbance, not just a minor annoyance. The news of the tragedy deeply discomposed her, leaving her visibly shaken.
Pro Tip 2/3
Formality Level
'Discompose' is quite formal, so it's more common in written English than in casual conversation. The diplomat was discomposed by the unexpected question.
Pro Tip 3/3
Psychological Context
Often used to refer to disturbances in poise or mental composure rather than just emotions. Despite the chaos, she remained calm and did not let the situation discompose her.