calamity

noun

An event causing great and often sudden damage or distress; a disaster.

SYNONYMS

accidentadversityafflictionbaleblightcar crashcataclysmcatastrophecrisisdevastating blowdisasterevilmisadventuremischancemisfortunemishantermishapreverse of fortunesetbackstroke of bad lucktragedytribulationwoe