/ʌnˈli:ʃ ||; ʌnˈliʃ/verb [T] unleash sth (on/upon sb/sth)(written 书面语) to suddenly let a strong force, emotion, etc be felt or have an effect 激起，激发（强大的力量、感情等）: The government's proposals unleashed a storm of protest in the press. 政府的建议激起新闻界的一阵强烈抗议。