In predicative use, and as a noun.

In figurative and allusive use; thus sometimes = Hazard, chance, luck.

As a mass noun. Chance, accident; unpredictability of outcome.

A haphazard or aimless course. Also: that which is random; random state or condition, randomness. Now rare.

Simple chance or accident; fortuitousness, luck. Also: random nature or quality. Now rare.

Inadvertency, haphazard or random action, into which chance largely enters. (Erroneously put for ‘pure chance’, and for ‘a fortuitous medley or…

A wager, bet, stake. Often in even lay, a wager in which the chances are equal on either side, an even chance. Hence (in fair, good,etc. lay) =…

Dependence on chance, as opposed to skill. Frequently in game of lottery. Now rare.

rare.

The quality or state of being random (in various senses); haphazardness; unpredictability.

Haphazard quality or character.

casual quality.

Haphazard action, haphazardness; the operation of chance; (also) an instance of this.

= randomness, n.