All 4 Uses

hysteria
in
Someone Like You
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One year some high-school students had gone around and crossed out the rs in Friends, leaving us a Neighborhood of Fiends, something my father found absolutely hysterical.†
Chpt 1

hysterical = exceedingly funny (resulting in uncontrollable laughter); or exhibiting excessive, uncontrollable emotion
My father thought this was hysterical, even better than A Neighborhood of Fiends, and my mother accused him of always taking the long way home just to look at it.†
Chpt 3 *
Hysterical.†
Chpt 3
Mrs. Vaughn just called and said Noah had been found drunk in the school parking lot and Norman had to go down there to pick him up from the principal, she's completely hysterical and no one knew what happened to you.†
Chpt 18

Definitions:

(1) (hysteria)
a state of excessive, uncontrollable emotion

In addition to being the adjective form of hysteria, the form hysterical can also indicate that something is exceedingly funny (leading to uncontrollable laughter)
(2) (meaning too rare to warrant focus)