1. [ noun ] a piece of thin and flexible sheet metal

"the photographic film was wrapped in foil"

Related terms: sheet_metal aluminum_foil tinfoil gold_foil chaff
2. [ verb ] hinder or prevent (the efforts, plans, or desires) of
Synonyms: frustrate thwart cross bilk scotch baffle spoil queer

"What ultimately frustrated every challenger was Ruth's amazing September surge" "foil your opponent"

Related terms: prevent discourage disappoint short-circuit dash ruin double_cross frustrating frustration cross
3. [ verb ] enhance by contrast

"In this picture, the figures are foiled against the background"

Related terms: contrast enhancer
4. [ noun ] anything that serves by contrast to call attention to another thing's good qualities
Synonyms: enhancer

"pretty girls like plain friends as foils"

Related terms: attention enhance
5. [ verb ] cover or back with foil

"foil mirrors"

Related terms: cover
6. [ noun ] a device consisting of a flat or curved piece (as a metal plate) so that its surface reacts to the water it is passing through
Synonyms: hydrofoil

"the fins of a fish act as hydrofoils"

Related terms: device
7. [ noun ] picture consisting of a positive photograph or drawing on a transparent base; viewed with a projector
Synonyms: transparency
Related terms: picture slide viewgraph
8. [ noun ] Last name, frequency rank in the U.S. is 26595
9. [ noun ] (sport,arms) a light slender flexible sword tipped by a button
Related terms: fencing_sword
Similar spelling:   fowl