hysterical /hɪˈsterɪkəl/ adjective also hysteric
also hysteric
Learner's definition of HYSTERICAL
[more hysterical; most hysterical]
1
: feeling or showing extreme and uncontrolled emotion : marked by hysteria歇斯底里的；情绪异常激动的 -
crowds of screaming, hysterical fans大群尖叫着的、歇斯底里的粉丝
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By the time the police arrived, the victim had become hysterical.警察赶到时，受害人已经变得情绪失控。
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She burst into shrieks of hysterical laughter.她突然发出歇斯底里的尖声大笑。
2
informal : very funny很可笑的；非常滑稽的 — hysterically
/hɪˈsterɪkli/ adverb