Synonyms of holocaust in English:

holocaust


See US English definition of holocaust

See UK English definition of holocaust

See Spanish definition of hecatombe

noun

1‘apocalyptic thoughts have surfaced due to the spectre of a nuclear holocaust’

SYNONYMS
cataclysm, disaster, catastrophe, destruction, devastation, demolition, annihilation, ravaging
inferno, fire, conflagration
massacre, slaughter, mass murder, carnage, butchery, extermination, liquidation, genocide, ethnic cleansing