As a count noun. A chance happening; an unpredictable outcome; (also) a chance, an opportunity.

Chance, unforeseen or unexpected eventuality; (contextually) mishap, fortuitous circumstance. Also: an occurrence of this type. Frequently in…

a venture's stroke, one delivered at a venture; a chance stroke. Obsolete. rare.

A happening or occurrence of things in a particular way; a casual or fortuitous circumstance; = accident, n. 5a.

A thing coming by chance, an accident.

That which is not of the essence or substance: philosophically, the phenomenal part, the sum of the accidents or attributes; sometimes (with plural…

figurative. The occurrence of events without obvious design; chance, happenstance. Obsolete.

A chance occurrence or circumstance; (contextually) a fortuitous event, a mishap. In non-count use: fortuitous disposition, chance. Cf. accident, n.…

transferred and figurative. A brisk sportive movement; a frolic; also, a freak, whim. †frisk of nature = freak of nature at freak, n.1 4b.

With the. That which happens by chance. Cf. senses A. 6a, A. 7a.