'Perturbation' definitions:
Definition of 'perturbation'
(from WordNet)
noun
An unhappy and worried mental state; "there was too much anger and disturbance"; "she didn't realize the upset she caused me" [syn: disturbance, perturbation, upset]
noun
(physics) a secondary influence on a system that causes it to deviate slightly
noun
Activity that is a malfunction, intrusion, or interruption; "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" [syn: perturbation, disturbance]
noun
A disposition that is confused or nervous and upset [syn: perturbation, fluster]
noun
The act of causing disorder [syn: disruption, perturbation]
Definition of 'Perturbation'
From: GCIDE
- Perturbation \Per`tur*ba"tion\, n. [L. perturbatio: cf. F. perturbation.]
- 1. The act of perturbing, or the state of being perturbed; esp., agitation of mind. [1913 Webster]
- 2. (Astron.) A disturbance in the regular elliptic or other motion of a heavenly body, produced by some force additional to that which causes its regular motion; as, the perturbations of the planets are caused by their attraction on each other. --Newcomb. [1913 Webster]
Synonyms of 'perturbation'
From: Moby Thesaurus
- ado,
- aggravation,
- agitation,
- all-overs,
- angst,
- animation,
- anxiety,
- anxiety hysteria,
- anxiety neurosis,
- anxious bench,
- anxious concern,
- anxious seat,
- anxiousness,
- apprehension,
- apprehensiveness,
- arousal,
- arousing,
- baffle,
- bafflement,
- befuddlement,
- bewilderment,
- bluster,
- bobbery,
- boil,
- boiling,
- bother,
- botheration,
- brouhaha,
- bustle,
- cankerworm of care,
- care,
- chaos,
- chills of fear,
- churn,
- cloud,
- cold creeps,
- cold shivers,
- cold sweat,
- commotion,
- concern,
- concernment,
- confoundment,
- confusion,
- conturbation,
- convulsion,
- creeps,
- daze,
- derangement,
- dilemma,
- disarrangement,
- disarray,
- disarticulation,
- discombobulation,
- discomfiture,
- discomposure,
- disconcert,
- disconcertedness,
- disconcertion,
- disconcertment,
- disharmony,
- dishevelment,
- disintegration,
- disjunction,
- dislocation,
- disorder,
- disorderliness,
- disorganization,
- disorientation,
- disproportion,
- disquiet,
- disquietude,
- disruption,
- distress,
- disturbance,
- dread,
- ebullience,
- ebullition,
- eddy,
- effervescence,
- electrification,
- embarrassment,
- embroilment,
- enigma,
- entropy,
- exacerbation,
- exasperation,
- excitation,
- excitement,
- exhilaration,
- fear,
- fear and trembling,
- feery-fary,
- ferment,
- fermentation,
- fever,
- feverishness,
- fidgets,
- fix,
- flap,
- flummox,
- flurry,
- fluster,
- flutter,
- flutteration,
- fog,
- foment,
- fomentation,
- foreboding,
- forebodingness,
- frenzy,
- fuddle,
- fuddlement,
- fume,
- fuss,
- galvanization,
- goose bumps,
- gooseflesh,
- haphazardness,
- haze,
- heartquake,
- horripilation,
- hubbub,
- hurly-burly,
- hurry,
- hurry-scurry,
- incitement,
- incoherence,
- indiscriminateness,
- inflammation,
- infuriation,
- inharmonious harmony,
- inquietude,
- insanity,
- irregularity,
- irritation,
- jam,
- jimjams,
- jitters,
- jumble,
- jumpiness,
- lathering up,
- maelstrom,
- malaise,
- maze,
- mess,
- misarrangement,
- misgiving,
- mist,
- moil,
- most admired disorder,
- muddle,
- muddlement,
- mystery,
- nerviness,
- nervous tension,
- nervousness,
- nonplus,
- nonsymmetry,
- nonuniformity,
- overanxiety,
- palpitation,
- pell-mell,
- perplexity,
- pickle,
- pins and needles,
- plight,
- pother,
- predicament,
- problem,
- promiscuity,
- promiscuousness,
- provocation,
- pucker,
- puzzle,
- puzzlement,
- quaking,
- quandary,
- quiver of terror,
- randomness,
- restlessness,
- riddle,
- roil,
- rout,
- row,
- ruffle,
- scrape,
- seethe,
- seething,
- shivers,
- shuffle,
- shuffling,
- solicitude,
- steaming up,
- stew,
- stimulation,
- stimulus,
- stir,
- stirring,
- stirring up,
- strain,
- suspense,
- sweat,
- swirl,
- swirling,
- swivet,
- tension,
- thrill of fear,
- tizzy,
- to-do,
- trepidation,
- trepidity,
- trouble,
- tumult,
- tumultuation,
- turbidity,
- turbulence,
- turmoil,
- twitter,
- unassuredness,
- unease,
- uneasiness,
- unquietness,
- unrest,
- unsettlement,
- unsymmetry,
- ununiformity,
- uproar,
- upset,
- vexation,
- vortex,
- whipping up,
- whirl,
- working up,
- yeastiness,
- zeal