Definition of ADVENTURE

an exciting or noteworthy event that one experiences firsthand <our quiet hike turned into quite an adventure when we encountered a bear and her cub>
Synonyms emprise, experience, exploit, gest (or geste), happening, time
Near Antonyms bore, bummer, bust, downer, drag
a risky undertaking <a bold adventure in deep-sea exploration that could imperil the submarine and its crew>
Synonyms adventure, chance, crapshoot, enterprise, flier (also flyer), flutter [chiefly British], speculation, throw, venture
Antonyms sure thing

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