activity - any specific activity; "they avoided all recreational activity"

bother, hassle, trouble, fuss - an angry disturbance; "he didn't want to make a fuss"; "they had labor trouble"; "a spot of bother"

magnetic storm - a sudden disturbance of the earth's magnetic field; caused by emission of particles from the sun

agitation - a mental state of extreme emotional disturbance

disorder - a disturbance of the peace or of public order

turmoil, upheaval, convulsion - a violent disturbance; "the convulsions of the stock market"

earthquake - a disturbance that is extremely disruptive; "selling the company caused an earthquake among the employees"

incident - a public disturbance; "the police investigated an incident at the bus station"

tempest, storm - a violent commotion or disturbance; "the storms that had characterized their relationship had died away"; "it was only a tempest in a teapot"

storm center, storm centre - a center of trouble or disturbance

garboil, tumult, tumultuousness, uproar - a state of commotion and noise and confusion

fight, fighting, combat, scrap - the act of fighting; any contest or struggle; "a fight broke out at the hockey game"; "there was fighting in the streets"; "the unhappy couple got into a terrible scrap"

movement, motility, motion, move - a change of position that does not entail a change of location; "the reflex motion of his eyebrows revealed his surprise"; "movement is a sign of life"; "an impatient move of his hand"; "gastrointestinal motility"

carnival, circus - a frenetic disorganized (and often comic) disturbance suggestive of a circus or carnival; "it was so funny it was a circus"; "the whole occasion had a carnival atmosphere"

disorganisation, disorganization - the disturbance of a systematic arrangement causing disorder and confusion; "the disorganization of the enemy troops by a flank attack"

disruption, perturbation - the act of causing disorder

ruckus, ruction, rumpus, commotion, din, tumult - the act of making a noisy disturbance

furor, furore - a sudden outburst (as of protest)

havoc, mayhem - violent and needless disturbance

battle royal, melee, scrimmage - a noisy riotous fight

hullabaloo, turmoil, upheaval, agitation, excitement - disturbance usually in protest

tumultuous disturbance, outburst - a sudden violent disturbance

rampage, violent disorder - violently angry and destructive behavior

derangement, overthrow, upset - the act of disturbing the mind or body; "his carelessness could have caused an ecological upset"; "she was unprepared for this sudden overthrow of their normal way of living"

psychiatry, psychological medicine, psychopathology - the branch of medicine dealing with the diagnosis and treatment of mental disorders

disorder, upset - condition in which there is a disturbance of normal functioning; "the doctor prescribed some medicine for the disorder"; "everyone gets stomach upsets from time to time"

anxiety disorder - a cover term for a variety of mental disorders in which severe anxiety is a salient symptom

psychosomatic disorder - a mental disorder that causes somatic symptoms

aberration - a disorder in one's mental state

conversion disorder, conversion hysteria, conversion reaction - a mental disorder characterized by the conversion of mental conflict into somatic forms (into paralysis or anesthesia having no apparent cause)

delirium - a usually brief state of excitement and mental confusion often accompanied by hallucinations

delusional disorder - any mental disorder in which delusions play a significant role

encopresis - involuntary defecation not attributable to physical defects or illness

folie a deux - the simultaneous occurrence of symptoms of a mental disorder (as delusions) in two persons who are closely related (as siblings or man and wife)

personality disorder - inflexible and maladaptive patterns of behavior

affective disorder, emotional disorder, emotional disturbance, major affective disorder - any mental disorder not caused by detectable organic abnormalities of the brain and in which a major disturbance of emotions is predominant

schizothymia - resembling schizophrenia but remaining within the bounds of normality

neurosis, neuroticism, psychoneurosis - a mental or personality disturbance not attributable to any known neurological or organic dysfunction

dissociative disorder - dissociation so severe that the usually integrated functions of consciousness and perception of self break down

clutter - unwanted echoes that interfere with the observation of signals on a radar screen

trouble - an event causing distress or pain; "what is the trouble?"; "heart trouble"

background signal, background - extraneous signals that can be confused with the phenomenon to be observed or measured; "they got a bad connection and could hardly hear one another over the background signals"

crosstalk, XT - the presence of an unwanted signal via an accidental coupling

fadeout - a gradual temporary loss of a transmitted signal due to electrical disturbances

jitter - small rapid variations in a waveform resulting from fluctuations in the voltage supply or mechanical vibrations or other sources

atmospheric static, atmospherics, static - a crackling or hissing noise cause by electrical interference