Synonyms of the word

accident

• n. An unexpected event with negative consequences occurring without the intention of the one suffering the…
• n. (transport, vehicles) Especially, a collision or similar unintended event that causes damage or death.
• n. Any chance event.
• n. (uncountable) Chance.
• n. Any property, fact, or relation that is the result of chance or is nonessential.
• n. (euphemistic) An instance of incontinence.
• n. (euphemistic) An unintended pregnancy.
• n. (philosophy, logic) A quality or attribute in distinction from the substance, as sweetness, softness.
• n. (grammar) A property attached to a word, but not essential to it, such as gender, number, or case.
• n. (geology) An irregular surface feature with no apparent cause.
• n. (heraldry) A point or mark which may be retained or omitted in a coat of arms.
• n. (law) casus; such unforeseen, extraordinary, extraneous interference as is out of the range of ordinary…
• n. (military) An unplanned event that results in injury (including death) or occupational illness to person(s)…
• n. (uncountable, philosophy, uncommon) Appearance, manifestation.

fortuity

• n. (uncountable) The state of being fortuitous.
• n. (countable) A fortuitous event; an accident.

happening

• v. present participle of happen.
• adj. (slang, of a place) Busy, lively; vibrant, dynamic; fashionable.
• adj. (slang, of a person or product) Trendy, up-to-the-minute.
• n. Something that happens.
• n. A spontaneous or improvised event, especially one that involves audience participation.

misadventure

• n. An accidental mishap or misfortune.

mischance

• n. Bad luck, misfortune.
• n. A mishap, an unlucky circumstance.
• v. (transitive) To undergo (a misfortune); to suffer (something unfortunate).

mishap

• n. An accident, mistake, or problem.
• n. Evil accident; ill luck; misfortune; mischance.
• v. (archaic) To happen through misfortune; to mishappen.

occurrence

• n. Actual instance when a situation arises.

occurrent

• adj. Current, actual, occurring.
• n. (now chiefly philosophy) An event, something that occurs.