AskDefine | Define convulsion

Dictionary Definition



1 a sudden uncontrollable attack; "a paroxysm of giggling"; "a fit of coughing"; "convulsions of laughter" [syn: paroxysm, fit]
2 violent uncontrollable contractions of muscles
3 a violent disturbance; "the convulsions of the stock market" [syn: turmoil, upheaval]
4 a physical disturbance such as an earthquake or upheaval

User Contributed Dictionary



  1. An intense, paroxysmal, involuntary muscular contraction.
  2. An uncontrolled fit, as of laughter; a paroxysm.
  3. Violent turmoil.
    Earthquakes and convulsions of nature shake Earth on a regular basis.

Related terms


an intense muscular contraction
an uncontrolled fit
  • Finnish: kohtaus
violent turmoil
  • Finnish: mullistus
  • Hungarian: háborgás, rengés

Extensive Definition

Seizure may refer to:

Legal Term

Seizure is the legal removal of property.


In telecommunications, a seizure is an attempted call, as in Answer/Seizure ratio


Synonyms, Antonyms and Related Words

Homeric laughter, Jacksonian epilepsy, Rolandic epilepsy, abdominal epilepsy, abscess, access, acquired epilepsy, activated epilepsy, affect epilepsy, ague, akinetic epilepsy, amok, anemia, ankylosis, anoxia, apnea, apoplexy, arrest, asphyxiation, asthma, ataxia, atrophy, attack, autonomic epilepsy, backache, belly laugh, blaze, bleeding, blennorhea, blockage, bloodless revolution, boff, boffola, bouleversement, breakdown, breakup, burst, burst of laughter, cachexia, cachexy, cachinnation, cackle, cardiac epilepsy, cat fit, cataclysm, catastrophe, chill, chills, chortle, chuckle, clamor, clean slate, clean sweep, climax, clonic spasm, clonus, colic, computer revolution, conniption, conniption fit, constipation, cortical epilepsy, coughing, counterrevolution, cramp, crow, cursive epilepsy, cyanosis, cyclone, debacle, derangement, diarrhea, diastrophism, disarrangement, disaster, discomposure, dislocation, disorder, disorganization, disturbance, diurnal epilepsy, dizziness, downfall, dropsy, duck fit, dysentery, dyspepsia, dyspnea, eclampsia, edema, emaciation, epilepsia, epilepsia gravior, epilepsia major, epilepsia minor, epilepsia mitior, epilepsia nutans, epilepsia tarda, epilepsy, epitasis, eruption, explosion, fainting, fall, falling sickness, fatigue, ferment, fever, fibrillation, fit, fit of anger, fit of laughter, fit of temper, flare-up, flux, focal epilepsy, frenzy, furor, fury, gale, gales of laughter, giggle, grand mal, grip, growth, guffaw, gust, ha-ha, haute mal, hearty laugh, hee-haw, hee-hee, hemorrhage, high blood pressure, hilarity, ho-ho, horselaugh, hurricane, hydrops, hypertension, hypotension, hysterical epilepsy, icterus, ictus, indigestion, inflammation, insanity, insomnia, irruption, itching, jaundice, labored breathing, larval epilepsy, laryngeal epilepsy, laryngospasm, latent epilepsy, laugh, laughing, laughter, lockjaw, low blood pressure, lumbago, marasmus, matutinal epilepsy, menstrual epilepsy, misarrangement, murderous insanity, musicogenic epilepsy, myoclonous epilepsy, nasal discharge, nausea, necrosis, nocturnal epilepsy, occlusion, orgasm, outbreak, outburst, outburst of laughter, outcry, overthrow, overturn, pain, palace revolution, paralysis, paroxysm, peal of laughter, perturbation, petit mal, physiologic epilepsy, prostration, pruritus, psychic epilepsy, psychokinesia, psychomotor epilepsy, quake, quaking, radical change, rage, rash, reflex epilepsy, revolt, revolution, revolutionary war, revulsion, rheum, risibility, roar of laughter, rocking, rotatoria, sabotage, sclerosis, seizure, sensory epilepsy, serial epilepsy, sexual climax, shaking, shock, shout, shout of laughter, shriek, shuffling, skin eruption, sneezing, snicker, snigger, snort, sore, spasm, stoppage, storm, striking alteration, stroke, subversion, sweeping change, tabes, tabula rasa, tachycardia, tantrum, tardy epilepsy, technological revolution, tee-hee, temblor, temper tantrum, tempest, tetanus, tetany, throes, thromboembolism, thrombosis, tidal wave, titter, tonic epilepsy, tonic spasm, tornado, torsion spasm, total change, tottering, transilience, traumatic epilepsy, trembling, trismus, tsunami, tumor, tumult, ucinate epilepsy, upheaval, upset, upset stomach, upturn, vertigo, violent change, visitation, vomiting, wasting, whirlwind, yuck, yuk-yuk
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