- perturbation, disturbance - activity that is an intrusion or interruption; "he looked around for the source of the disturbance"; "there was a disturbance of neural function"
--1 is a kind of activity
--1 has particulars: fuss, trouble, bother, hassle; magnetic storm - disturbance, perturbation, upset - an unhappy and worried mental state; "there was too much anger and disturbance"; "she didn't realize the upset she caused me"
--2 is a kind of agitation
Derived form: verb disturb1 - disturbance, disruption, commotion, stir, flutter, hurly burly, to-do, hoo-ha, hoo-hah, kerfuffle - a disorderly outburst or tumult; "they were amazed by the furious disturbance they had caused"
--3 is a kind of disorder
--3 has particulars:convulsion, turmoil, upheaval; earthquake; incident; storm, tempest; storm center, storm centre; tumult, tumultuousness, uproar, garboil - affray, disturbance, fray, ruffle - a noisy fight
--4 is a kind of fight, fighting, combat, scrap
- disturbance - the act of disturbing something or someone; setting something in motion
--5 is a kind of motion, movement, move, motility
--5 has particulars:Derived form: verb disturb3 - mental disorder, mental disturbance, disturbance, psychological disorder, folie - (psychiatry) a psychological disorder of thought or emotion; a more neutral term than mental illness
--6 is a kind of disorder, upset
--6 has particulars: - noise, interference, disturbance - electrical or acoustic activity that can disturb communication
--7 is a kind of trouble
--7 has particulars:clutter; background, background signal; crosstalk, XT; fadeout; jitter; static, atmospherics, atmospheric static