"foiled" in the verb sense
enhance by contrast
"In this picture, the figures are foiled against the background"
2. thwart, queer, spoil, scotch, foil, cross, frustrate, baffle, bilk
hinder or prevent (the efforts, plans, or desires) of
"What ultimately frustrated every challenger was Ruth's amazing September surge"
"foil your opponent"
cover or back with foil
"foiled" in the adjective sense
1. defeated, disappointed, discomfited, foiled, frustrated, thwarted
"disappointed expectations and thwarted ambitions"
"their foiled attempt to capture Calais"
"many frustrated poets end as pipe-smoking teachers"
"his best efforts were thwarted"
Source: WordNet® (An amazing lexical database of English)
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