mischance

1 a chance and usually sudden event bringing loss or injury the smallest mischance could spell disaster for our plan Synonyms casualty, accident, mishapRelated Words calamity, cataclysm, catastrophe, cropper, deathblow, disaster, tragedy; bummer, knock, misadventure, misfortune; collision, crack-up, crash, smashup, wreckNear Antonyms boon, break, fluke, godsend, miracle, strike, windfall; fortune, luck, serendipity

2 bad luck or an example of this by mischance she took a wrong turn and became hopelessly lost in the city Synonyms adversity, ill, knock, misadventure, misfortune, mishap, tragedyRelated Words calamity, cataclysm, catastrophe, disaster; affliction, hardship, trial, tribulation, woe; distress, misery, suffering, unhappiness; defeat, failure, fizzle, nonsuccess; curse, evil, sorrow, trouble; accident, casualty; blow, body blow, disappointment, letdown, setback; circumstance, destiny, doom, fate, lot, portionNear Antonyms break, chance, fluke, godsend, hit, opportunity, strike, stroke, windfall; accomplishment, achievement, successAntonyms fortune, luck, serendipity