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Lest Meaning in English

word

/ˈɫɛst/
lest
/lˈɛst/
lest

Definition

Used in formal or literary English to show you are doing something to prevent something bad from happening; it means 'for fear that' or 'in case.'

Usage & Nuances

Very formal and mostly used in written, literary, or old-fashioned English. Followed by a verb in the subjunctive (bare form): 'lest he forget.' Not common in everyday conversation; use 'in case' or 'so that' in spoken English.

Example Sentences

Take your umbrella, lest it rain.

basic

He spoke quietly, lest anyone hear.

basic

I remind myself, lest I forget.

basic

She whispered the answer, lest the teacher notice.

natural

Keep the door shut, lest the dog run out.

natural

She set an early alarm, lest she oversleep again.

natural