The Crown-Prince grinned idiotically, that cold, sinister expression overspreading his countenance, a look which is such a marked characteristic of his.
"The Secrets of Potsdam"
William Le Queux
The ape leaped on the back of the throne whereon the young man still sat, and seized him by the hair, chattering idiotically after the manner of apes, and began to wag his head back and forth.
"The Eye of Dread"
Payne Erskine
When she finds out what an idiotically useless sacrifice she has made for art and is a failure as Isolde-she can no more sing the part than a sick cat-she will run home to her mammy quick enough."
"Melomaniacs"
James Huneker