Both Uses of
ingenious
in
The Phantom of the Opera
- An ingenious system of electric heating, which has since been imitated, allowed the temperature of the walls and room to be increased at will.†
Chpt 24 *
- Erik did so; and the building appears to have been so ingenious that His Majesty was able to move about in it unseen and to disappear without a possibility of the trick's being discovered.†
Chpt Epil.
Definition:
showing cleverness and originality