Definition of hysterical adjective from the Oxford Advanced American Dictionary

     

    hysterical

     adjective
    adjective
    NAmE//hɪˈstɛrɪkl//
     
     
    jump to other results
  1. 1in a state of extreme excitement, and crying, laughing, etc. in an uncontrolled way hysterical screams a hysterical giggle He became almost hysterical when I told him. Let's not get hysterical. (disapproving) He thought I was being a hysterical female.
  2. 2 (informal) extremely funny synonym hilarious She seemed to find my situation absolutely hysterical. This book is hysterical.
hysterically
 
jump to other results
NAmE//hɪˈstɛrɪkli//
 
adverb to laugh/cry/scream/sob hysterically hysterically funny
See the Oxford Advanced Learner's Dictionary entry: hysterical