lest
conjunction
\
Definition of lest
: for fear that —often used after an expression denoting fear or apprehension worried lest she should be latehesitant to speak out lest he be fired
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More Definitions for lest
lest
conjunction
English Language Learners Definition of lest
: for fear that
—used when you are saying something in order to prevent something from happening
See the full definition for lest in the English Language Learners Dictionary
lest
conjunction
\
Kids Definition of lest
: for fear that “I have to be sharp and clever, lest I go hungry.”— E. B. White, Charlotte's Web
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