The words and the tone left no room for doubt as to the speaker's earnestness, and even a slight flesh wound would hamper the Phantom's movements and frustrate his plans.
"The Gray Phantom's Return"
Herman Landon
I am one of the silent multitude of the frustrate....
"Melomaniacs"
James Huneker
He was determined to frustrate any attempt at flight.
"Under a Charm, Vol. III. (of III) A Novel"
E. Werner