Synonyms of outbreak in English:

outbreak


See US English definition of outbreak

See UK English definition of outbreak

See Spanish definition of estallido

noun

1‘an outbreak of legionnaires' disease’

SYNONYMS
eruption, flare-up, upsurge, outburst, epidemic, breakout, sudden appearance, rash, wave, spate, flood, explosion, burst, blaze, flurry
rare recrudescence, ebullition, boutade

2‘the outbreak of war’

SYNONYMS
start, beginning, onset, breaking out, opening, outset, day one, inception, dawn, genesis
formal commencement