For fear that; that not; in order to prevent something from happening; in case. Example: He won’t go outside, lest he be eaten by those ravenous eagles.
(after certain expressions denoting fear or apprehension) that (without the negative particle; introduces the reason for an emotion.) Example: I am afraid lest I revealed too much.
All clues having "LEST"
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You can find a list of possible crossword clues for LEST below.