perturbation

Definition of perturbation

Nouns

an unhappy and worried mental state
Synonyms:
disturbance, upset
Type of:
agitation
a mental state of extreme emotional disturbance
(physics) a secondary influence on a system that causes it to deviate slightly
Types:
variation
(astronomy) any perturbation of the mean motion or orbit of a planet or satellite (especially a perturbation of the earth's moon)
libration
(astronomy) a real or apparent slow oscillation of a moon or satellite
Type of:
influence
the effect of one thing (or person) on another
activity that is a malfunction, intrusion, or interruption
"the term `distress' connotes some degree of perturbation and emotional upset"
Synonyms:
disturbance
Types:
bother, fuss, hassle, trouble
an angry disturbance
magnetic storm
a sudden disturbance of the earth's magnetic field; caused by emission of particles from the sun
Type of:
activity
any specific behavior
a disposition that is confused or nervous and upset
Synonyms:
fluster
Type of:
discomposure
a temperament that is perturbed and lacking in composure
the act of causing disorder
Synonyms:
disruption
Types:
breakdown, dislocation
the act of disrupting an established order so it fails to continue
surprisal, surprise
the act of surprising someone
Type of:
disturbance
the act of disturbing something or someone; setting something in motion

Vocabulary Lists for perturbation

GRE STUDY GUIDE »(104 words)
  • megalomaniac
  • eclectic
  • pejorative
  • facetious
  • endermatic

Shakespeare's Macbeth »(507 words)
An interesting vocabulary list from Macbeth.
  • Macbeth
  • thane
  • weird sister
  • hautboy
  • Duncan

  • fulsome
  • copious
  • quixotic
  • prognosticate
  • auspicate

  • noxious
  • spur
  • speck
  • bound
  • repugnance

Lexicon of linguistics »(18 words)
These are words used in the Lexicon of linguistics...
  • allomorph
  • anomaly
  • articulation
  • bandwidth
  • comparative

k1 »(500 words)
  • sinister
  • skittish
  • sleazy
  • slovenly
  • sobriquet

Vocabulary Tools