outbreak

I

(New American Roget's College Thesaurus)

n. outburst, eruption; rebellion, uprising, revolt, insurrection; disturbance. See disobedience, violence, beginning, attack.

II

(Roget's IV) n.

1. [A sudden violent appearance]

Syn. eruption, irruption, ebullition, explosion, outburst, disruption, burst, bursting, bursting forth, detonation, thunder, commotion, rending, break, breaking out, breaking forth, gush, gushing forth, outpouring, pouring forth, breaking bonds, tumult, spurt, sundering, snapping apart, discharge, volley, blast, blowup, crash, roar, earthquake, temblor, squall, paroxysm, spasm, convulsion, fit, ictus, effervescence, boiling, flash, flare, crack.

Ant. peace*, tranquility, quiet.

2. [Sudden violence]

Syn. fury, mutiny, brawl; see disorder 2 , revolution 2 .

III

(Roget's 3 Superthesaurus) n.

1. disease spread epidemic, pandemic, manifestation, contagion.

2. outburst eruption, flare up, upheaval, uproar.

3. civil discontent riot, insurrection, revolt, uprising, mutiny.

IV

(Roget's Thesaurus II) noun 1. A sudden increase in something, as the occurrence of a disease: epidemic, plague, rash2. See INCREASE. 2. The act of emerging violently from limits or restraints: eruption, explosion, outburst. See EXPLOSION. 3. A sudden violent expression, as of emotion: access, blowup, burst, eruption, explosion, fit2, flare-up, gust, outburst. See EXPLOSION.