foiling

(noun) an act of hindering someone's plans or efforts. Synonyms: frustration, thwarting.

(verb) enhance by contrast. Synonyms: foil. Example: "In this picture, the figures are foiled against the background."

(verb) hinder or prevent (the efforts, plans, or desires) of. Synonyms: thwart, queer, spoil, scotch, foil, cross, frustrate, baffle, bilk. Examples: "What ultimately frustrated every challenger was ruth's amazing september surge." "Foil your opponent."

(verb) cover or back with foil. Synonyms: foil. Example: "Foil mirrors."