- accident - a mishap; especially one causing injury or death
--1 is a kind of mishap, misadventure, mischance
--1 has particulars:collision; crash, wreck; injury, accidental injury; shipwreck, wreck; fatal accident, casualty - accident, fortuity, chance event - anything that happens by chance without an apparent cause
--2 is a kind of happening, occurrence, natural event
--2 has particulars:hap; break, good luck, happy chance; coincidence, happenstance; lottery - accident, fortuity, chance event - anything that happens by chance without an apparent cause