⚡ A disruption 🪐 A motion change 😟 Mental worry

perturbance

8.2

A feeling of worry or upset that makes you restless

noun
/pərˈtərbəns/

: inquietud

The unexpected changes at work caused a perturbance in his usual routine, leaving him anxious and restless.

Examples

His constant worrying about the upcoming exam created a perturbance in his otherwise calm demeanor.
After receiving the disappointing news, she felt a deep sense of perturbance that lingered all day.
But my reply is cause for a gnawing perturbance, for I know that I cannot recall the time of her arrival, nor the duration of her stay, nor the hour of her departure.

Fiction book (1996)

Synonyms

disturbance

vsperturbance

Specialized

18 4.1

A problem that makes someone feel worried or emotionally upset

focuses on internal agitation and worry rather than broad disorder

agitation

vsperturbance

12 5.1

A feeling of nervous worry and restlessness

is more about worry and inner emotional upset

fluster

vsperturbance

1 4.9

A short time of nervous confusion that makes you forget things

emphasizes worry and emotional unrest rather than confusion

perturbation

vsperturbance

Formal

1 7.9

A strong feeling of worry or nervousness

has identical meaning but is a variant form

fantods

vsperturbance

Archaic

9.9

A feeling of nervousness and restlessness

focuses on worry and agitation rather than mere restlessness

Antonyms

serenity

48 4.4

A calm, peaceful feeling without worry

calmness

9 2.7

A state without strong feelings or worry in your mind

How Agitated

panic

394 2.7

distress

240 3.6

perturbance

8.2

agitation

12 5.1

worry

290 1.0

unease

19 4.4

Surface Forms

perturbance singular

perturbances plural

Morphology

perturbance = perturb (transparent) = perturb + ance

Clear nominalization from 'perturb' yielding a noun for a state of disturbance or agitation.

Etymology

Perturbance comes from Latin parts per- 'completely' and turbare 'to disturb', a root you see in disturb and turbulent. So a perturbance can mean a strong upset or worry that disturbs someone's mind.