I'm a pretty convenient foil for a lot of people.
Beauty deprived of its proper foils and adjuncts ceases to be enjoyed as beauty, just as light deprived of all shadows ceases to be enjoyed as light.
[Barack Obama] was comfortable when he had the foil.
Funny is a good foil. Humor is illuminating, and it also gives you power.
I have a lot of experience with making fake helmets out of foil.
My pencil is like a fencer's foil.
How often, when we have been nearest each other bodily, have we really been farthest off! Our tongues were the witty foils with which we fenced each other off.