(of people, animals or behaviour 人、动物或行为 noisy and full of life and energy 热闹的；充满活力的；活蹦乱跳的 It was a challenge, keeping ten boisterous seven-year-olds amused. 要逗着十个好动的七岁孩子玩真是一种挑战。 🔊🔊 The children and the dogs raced out of the house to give me a boisterous welcome. 孩子们和狗们跑出家门，热烈欢迎我。
Word Originlate Middle English (in the sense ‘rough, stiff’): variant of earlier boistuous ‘rustic, coarse, boisterous’, of unknown origin.