1Venturing into the unknown or taking on new experiences despite risk or difficulty — a word often used in stories, games, and travel.
このゲームでは主人公が仲間と一緒に冒険の旅に出る。
In this game, the main character sets out on an adventure with companions.
子どもの頃、裏山を探検するのが私たちの冒険だった。
When we were kids, exploring the hill behind our house was our adventure.
彼女は会社を辞めて世界を旅する冒険に出た。
She quit her job and set out on an adventure traveling the world.
この小説は少年たちの海での冒険を描いている。
This novel depicts a group of boys' adventure at sea.
2An undertaking with a low chance of success that could bring major loss if it fails — a reckless or high-risk attempt.
貯金を全部つぎ込むなんて、あまりにも冒険だ。
Putting all your savings into it is way too much of a gamble.
未経験の分野に一人で挑むのは冒険的すぎる。
Tackling an unfamiliar field alone is too risky.
社長はその冒険とも言える投資を決断した。
The president decided on that investment, which could be called a gamble.