Definition of Lest

out of fear something will happen

Examples of Lest in a sentence

It is best to carry your medicines and valuables on the airplane with you, lest your checked bags get lost and you lose important items.  🔊

When Mary’s grandmother visits, Mary knows to dress conservatively, lest she wants to hear a long speech about being a proper lady.  🔊

You should always be kind to your friends, lest you turn them into enemies.  🔊

Lest we forget the men and women who died for our country, we should always honor our veterans.  🔊

Jim always walks his female employees to their cars at night, lest one of the women does not make it to her vehicle safely.  🔊

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