hysterical

Ruby Gillis, who was inclined to be hysterical, began to cry.

Oh, yes, he is gone, he is gone!” She fell back against the wall with shriek after shriek of laughter, while I, horrified at this sudden hysterical attack, rushed to the bell to summon help.

“‘For two days Rachel Howells had been so ill, sometimes delirious, sometimes hysterical, that a nurse had been employed to sit up with her at night.

“Here was the secret of her blanched face, her shaken nerves, her peals of hysterical laughter on the next morning.