hysterisk

Adjective

 * 1)  suffering from hysteria
 * 2) highly unstable and irrational; maniacal; crazed
 * Han blev hysterisk da han hørte om sin kones død.
 * He went into a frenzy when he heard of his wife's death.

Adjective

 * 1) hysterical
 * 2) (as an adverb) hysterically

Adjective

 * 1) hysterical

Adjective

 * 1) hysterical (relating to hysteria)
 * 2) hysterical ((often) highly (and overly) emotional)

Usage notes
Not used in the sense of hilarious.