upset
Definitions
To make someone unhappy, disappointed, or worried.
To knock something over or cause it to overturn.
A state of being unhappy, disappointed, or emotionally disturbed.
Examples
She was deeply upset when she heard the news about the flight cancellation.
Please do not upset the delicate balance of the experiment by moving the equipment.
Synonyms
distressed agitated perturbed unsettled bothered troubled disconcerted