hysterical

/hɪˈstɛrɪkəl/
adjective
  1. Extremely funny; causing uncontrollable laughter.
    • The comedian's joke was so hysterical that the audience couldn't stop laughing.
    • My friend told a hysterical story about getting lost in the mall.
    • That video of the cat falling off the couch is absolutely hysterical.
  2. In a state of extreme excitement, fear, or panic; unable to control one's emotions.
    • He was hysterical with grief after hearing the bad news.
    • The passengers grew hysterical as the plane hit turbulence.
    • She became hysterical when she couldn't find her child in the park.
Antonyms
What does "hysterical" mean? | whatsthatwordmean | whatsthatwordmean