adventure

UK: /ədˈvɛntʃə^r/ US: /ædˈvɛntʃɚ/ ,(ad ven′chər)

Inflections of 'adventure' (v): (⇒ conjugate)

adventures

v 3rd person singular

adventuring

v pres p

adventured

v past

adventured

v past p

WordReference Random House Learner's Dictionary of American English © 2026

ad•ven•ture /ædˈvɛntʃɚ/   n. 

1. an exciting or very unusual experience:
   [countable] the adventures of Robin Hood.
2. participation in exciting undertakings or enterprises:
   [uncountable] a spirit of adventure.

ad•ven•tur•ous, ad•ven•ture•some, adj. 
ad•ven•tur•ous•ly, adv. See -ven-.

WordReference Random House Unabridged Dictionary of American English © 2026

ad•ven•ture  (ad ven′chər), n., v., -tured, -tur•ing. 
n. 

1. an exciting or very unusual experience.
2. participation in exciting undertakings or enterprises:
   the spirit of adventure.
3. a bold, usually risky undertaking;
   hazardous action of uncertain outcome.
4. a commercial or financial speculation of any kind;
   venture.
5. [Obs.]
   • peril;
     danger;
     risk.
   • chance;
     fortune;
     luck.

v.t. 

6. to risk or hazard.
7. to take the chance of;
   dare.
8. to venture to say or utter:
   to adventure an opinion.

v.i. 

9. to take the risk involved.
10. to venture;
    hazard.

• Vulgar Latin *adventūra what must happen, feminine (origin, originally neuter plural) of Latin adventūrus future participle of advenīre to arrive; ad- ad- replacing a- a-⁵. See advent, -ure
• Anglo-French, Old French
• Middle English aventure 1200–50

ad•ven′ture•ful, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::

adventure / ədˈvɛntʃə/ noun

1. a risky undertaking of unknown outcome
2. an exciting or unexpected event or course of events
3. a hazardous financial operation; commercial speculation

verb

1. to take a risk or put at risk
2. (intransitive) followed by into, on, upon: to dare to go or enter (into a place, dangerous activity, etc)
3. to dare to say (something): he adventured his opinion

Etymology: 13th Century: aventure (later altered to adventure after the Latin spelling), via Old French ultimately from Latin advenīre to happen to (someone), arrive