HYSTERIC
hysteric, hysterical
(adjective) characterized by or arising from psychoneurotic hysteria; “during hysterical conditions various functions of the human body are disordered”- Morris Fishbein; “hysterical amnesia”
hysteric
(noun) a person suffering from hysteria
Source: WordNet® 3.1
Etymology
Adjective
hysteric (comparative more hysteric, superlative most hysteric)
Hysterical; relating to hysteria.
Noun
hysteric (plural hysterics)
A hysterical person.
Usage notes
Source: Wiktionary
Hys*ter"ic, Hys*ter"ic*al, a. Etym: [L. hystericus, Gr. utter, out.]
Definition: Of or pertaining to hysteria; affected, or troubled, with
hysterics; convulsive, fitful.
With no hysteric weakness or feverish excitement, they preserved
their peace and patience. Bancroft.
Source: Webster’s Unabridged Dictionary 1913 Edition