They are always able to foil their enemies. Her accident foiled her from becoming a dancer.

FOILED definition: the simple past tense and past participle of foil. See examples of foiled used in a sentence.

FOILED definition: 1. past simple and past participle of foil 2. to prevent someone or something from being…. Learn more.

WordReference Random House Unabridged Dictionary of American English © 2026 foil1 (foil), v.t. to prevent the success of; frustrate; balk: Loyal troops foiled his attempt to overthrow the government. …

If you foil someone's plan or attempt to do something, for example to commit a crime, you succeed in stopping them from doing what they want. A brave police chief foiled an armed robbery by grabbing …

adjective disappointingly unsuccessful “their foiled attempt to capture Calais” synonyms: defeated, disappointed, discomfited, frustrated, thwarted unsuccessful not successful; having failed or having …

1. To prevent from being successful; thwart: The alarm system foiled the thieves' robbery attempt. 2. To obscure or confuse (a trail or scent) so as to evade pursuers.

foiled definition: prevented from succeeding or being carried out. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "be foiled by", "foiled …

Examples The police foiled the robbery before it could take place. Her efforts to win the game were foiled by a last-minute injury. The team’s strategy was foiled by unexpected weather conditions.

Foiled is past tense of the verb "foil" which generally refers to preventing something or someone from doing or achieving something. It may refer to plans or actions that have been thwarted, stopped, or …