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foil

verb

/fɔɪl/

Meaning

To prevent something (especially a plan) from succeeding.

The police foiled the robbery attempt.

foil someone's plan

thwart, prevent, frustrate, hinder, obstruct

assist, support, encourage

foil a plan, foil an attempt, foil a plot, foil a robbery

to defeat thoroughly, especially in battle or competition

to make calm or still; to deprive a sailing vessel of wind

to claim or assert something, typically without proof

To order someone to come or to gather courage or strength.

to play or move in a lively, carefree, and energetic way

to pierce with a sharp point; to cause sharp pain