adventure 2023.03.13 adventureとは 意味・定義・例文 Noun 名詞 あドヴエンチャ US /ædˈvɛnʧər/ UK /ədˈvɛnʧə/ 1. an unusual, exciting, and often dangerous activity or experience 冒険, 非日常的な体験, 刺激 We had a little adventure yesterday.