Meaning : An unhappy and worried mental state.
Example :
There was too much anger and disturbance.
She didn't realize the upset she caused me.
Synonyms : disturbance, upset
Meaning : (physics) a secondary influence on a system that causes it to deviate slightly.
Meaning : Activity that is a malfunction, intrusion, or interruption.
Example :
The term `distress' connotes some degree of perturbation and emotional upset.
He looked around for the source of the disturbance.
There was a disturbance of neural function.
Synonyms : disturbance
Meaning : A disposition that is confused or nervous and upset.
Synonyms : fluster
Meaning : The act of causing disorder.
Synonyms : disruption