Webster's Revised Unabridged Dictionary · 1913

Adventure

Adventure (?; 135) , noun

[Old English aventure, aunter, anter, French aventure, from Late Latin adventura, from Latin advenire, adventum, to arrive, which in the Romance languages took the sense of “to happen, befall.” See Advene.]

1.
That which happens without design; chance; hazard; hap; hence, chance of danger or loss.
Nay, a far less good to man it will be found, if she must, at all adventures, be fastened upon him individually. — Milton
2.
Risk; danger; peril. [Obsolete]
He was in great adventure of his life. — Berners
3.
The encountering of risks; hazardous and striking enterprise; a bold undertaking, in which hazards are to be encountered, and the issue is staked upon unforeseen events; a daring feat.
He loved excitement and adventure. — Macaulay
4.
A remarkable occurrence; a striking event; a stirring incident; as, the adventures of one's life. — Bacon
5.
A mercantile or speculative enterprise of hazard; a venture; a shipment by a merchant on his own account.
Collocations (1)
A bill of adventure (Commerce) , a writing setting forth that the goods shipped are at the owner's risk.

Adventure ({not transcribed}) , transitive verb

[Old English aventuren, auntren, French aventurer, from aventure. See Adventure, n.]

1.
To risk, or hazard; jeopard; to venture.
He would not adventure himself into the theater. — Acts xix. 31
2.
To venture upon; to run the risk of; to dare.
Yet they adventured to go back. — Bunyan,
Discriminations might be adventured. — J. Taylor

Adventure , intransitive verb

To try the chance; to take the risk.
I would adventure for such merchandise. — Shakespeare