Accident

Ac·ci·dent

Accident

n.
  1. Literally, a befalling; an event that takes place without one's foresight or expectation; an undesigned, sudden, and unexpected event; chance; contingency; often, an undesigned and unforeseen occurrence of an afflictive or unfortunate character; a casualty; a mishap; as, to die by an accident.
    Of moving accidents by flood and field.
    Thou cam'st not to thy place by accident: It is the very place God meant for thee.
  2. A property attached to a word, but not essential to it, as gender, number, case. (Gram.)
  3. A point or mark which may be retained or omitted in a coat of arms. (Her.)
  4. A property or quality of a thing which is not essential to it, as whiteness in paper; an attribute. (Log.)
  5. Any accidental property, fact, or relation; an accidental or nonessential; as, beauty is an accident.
    This accident, as I call it, of Athens being situated some miles from the sea.
    — J. P. Mahaffy.
  6. Unusual appearance or effect. [Obs.]