adventure

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. An undertaking or enterprise of a hazardous nature.
2. n. An undertaking of a questionable nature, especially one involving intervention in another state's affairs.
3. n. An unusual or exciting experience: an adventure in dining.
4. n. Participation in hazardous or exciting experiences: the love of adventure.
5. n. A financial speculation or business venture.
6. v. To venture upon; undertake or try.
7. v. To expose to danger or risk; hazard.
8. v. To take a risk; dare.
9. v. To proceed despite risks.

Century Dictionary and Cyclopedia

1. n. 1. That which comes or happens to one; hap; chance; fortune; luck.
2. n. A hazardous enterprise; an undertaking of uncertain issue, or participation in such an undertaking.
3. n. A remarkable occurrence in one's personal history; a noteworthy event or experience in one's life.
4. n. A speculation of any kind, commercial, financial, or mining; a venture; specifically, a speculation in goods sent abroad.
5. n. Peril; danger.
6. n. Adventurous activity; participation in exciting or hazardous undertakings or enterprises: as, a spirit of adventure.
7. To risk or hazard; put in the power of unforeseen events: as, to adventure one's life.
8. To venture on; take the chance of; run the risk of doing or suffering.
9. To take the risk involved in doing anything; proceed at a venture.

Wiktionary

1. n. That which happens without design; chance; hazard; hap; hence, chance of danger or loss.
2. n. 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.
3. n. A remarkable occurrence; a striking event; a stirring incident; as, the adventures of one's life.
4. n. A mercantile or speculative enterprise of hazard; a venture; a shipment by a merchant on his own account.
5. n. video games A text adventure or an adventure game.
6. v. transitive To risk or hazard; jeopard; venture.
7. v. transitive To venture upon; to run the risk of; to dare.
8. v. intransitive To try the chance; to take the risk.

GNU Webster's 1913

1. n. That which happens without design; chance; hazard; hap; hence, chance of danger or loss.
2. n. obsolete Risk; danger; peril.
3. n. 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.
4. n. A remarkable occurrence; a striking event; a stirring incident.
5. n. A mercantile or speculative enterprise of hazard; a venture; a shipment by a merchant on his own account.
6. v. To risk, or hazard; jeopard; to venture.
7. v. To venture upon; to run the risk of; to dare.
8. v. To try the chance; to take the risk.

WordNet 3.0

1. v. put at risk
2. n. a wild and exciting undertaking (not necessarily lawful)
3. v. take a risk in the hope of a favorable outcome