Dictionary.net

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.

A property attached to a word, but not essential to it, as gender, number, case.

A point or mark which may be retained or omitted in a coat of arms.

A property or quality of a thing which is not essential to it, as whiteness in paper; an attribute.

A quality or attribute in distinction from the substance, as sweetness, softness.

Any accidental property, fact, or relation; an accidental or nonessential; as, beauty is an accident.

Unusual appearance or effect.

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.

A property attached to a word, but not essential to it, as gender, number, case.

A point or mark which may be retained or omitted in a coat of arms.

A property or quality of a thing which is not essential to it, as whiteness in paper; an attribute.

A quality or attribute in distinction from the substance, as sweetness, softness.

Any accidental property, fact, or relation; an accidental or nonessential; as, beauty is an accident.

Unusual appearance or effect.

That which happens: an unforeseen or unexpected event: chance: an unessential quality or property.

An unforeseen event; chance; mishap.

Something that happens undesignedly; a casualty; mishap.

Anything which happens; generally an unintended or unexpected untoward occurrence; a mishap; also what happens blindly and without intelligent design. A property or quality of a thing which is not essential to it.

Something taking place unexpectedly; an event not foreseen; a quality not essential.

A casualty; an unforeseen event. The French-like older English writers-use the term in nearly the same sense as symptom. It means also an unexpected symptom.

A mishap; chance; unintentional act. [Lat.]

an which is not expected ; casualty; contingency;— pl. the properties and qualities of the parts of speech, as gender, number, and case.

The property or quality of any being, which may be separated from it, at least in thought; in grammar, the property of a word; that which, happens unforeseen; casualty, chance.