Synonyms of the word 
FOILED → DEFEATED - DISAPPOINTED - DISCOMFITED - FRUSTRATED - THWARTED - UNSUCCESSFUL
foiled
- v. simple past tense and past participle of foil.
defeated
- adj. Subjugated, beaten, overcome.
- v. simple past tense and past participle of defeat.
disappointed
- adj. Defeated of expectation or hope; let down.
- v. simple past tense and past participle of disappoint.
discomfited
- v. simple past tense and past participle of discomfit.
frustrated
- v. simple past tense and past participle of frustrate.
- adj. Foiled, stopped, disappointed.
- adj. Suffering from frustration; dissatisfied, agitated, and/or discontent because one is unable to perform…
thwarted
- v. simple past tense and past participle of thwart.
unsuccessful
- adj. Failed, not successful.
If you are interested in words, visit the following sites :
- wiktionary.org/foiled For complete definition of a word
- 1word.ws/foiled to play with words, suffixs, prefixs, etc.