what is the meaning of lest?

for fear that

with an intention of preventing someone or something

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with the intention of preventing (something undesirable); to avoid the risk of.

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the intention of preventing




 

Hurley

Co bp

with the intention of preventing (something undesirable); to avoid the risk of.

"he spent whole days in his room, wearing headphones lest he disturb anyone"

(after a clause indicating fear) because of the possibility of something undesirable happening; in case.

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