per
tur
ba
tion
Plural
perturbations
1
a disruption or disturbance of a normal state of mind or emotions
- The looming deadline was a constant perturbation to her otherwise calm demeanor as she worked.
- Mood swings were a common perturbation that disrupted his mental well-being.
- Financial worries were a constant perturbation to their otherwise calm peace of mind.
Synonyms:
2
the act of causing disorder
Synonyms:
3
a disposition that is confused or nervous and upset
Synonyms:
4
activity that is a malfunction, intrusion, or interruption
Synonyms:
5
(physics) a secondary influence on a system that causes it to deviate slightly