4
alpha(cause, beginning, source, origin, derivation)
4
blast(noun, discharge, violence, flash, glow)
4
break(noun, verb, escape, freedom, rash)
4
commotion(noun, attack, disorder, excitement, confusion)
4
convulsion(noun, attack, disorder, turn, excitement)
4
detonation(noun, discharge, violence, blast, crash)
4
flood(noun, movement, swell, current, burst)
4
foray(noun, charge, attack, strike, offensive)
4
invasion(noun, charge, attack, strike, offensive)
4
opening(start, beginning, commencement)
4
origin(noun, cause, start, beginning, source)
4
rising(strike, violence, revolt, revolution, upheaval)
4
sortie(noun, attack, assault, rash, occurrence)
4
tempest(wind, excitability, squall, windstorm)
4
torrent(noun, turn, violence, flash, glow)
3
blowup(noun, blast, flash, burst, rash)
3
break out(verb, expression, phrasal verb, epidemic)
3
bursting(noun, rash, occurrence, outburst, eruption)
3
charge(noun, attack, start, strike, offensive)
3
crack(noun, blast, burst, rash, bang)
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APASmart Define. (2015). outbreak thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/outbreak/thesaurus/synonyms
ChicagoSmart Define. 2015. "outbreak thesaurus" https://smartdefine.org/outbreak/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, outbreak thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/outbreak/thesaurus/synonyms>.
MLASmart Define. "outbreak thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/outbreak/thesaurus/synonyms>