Lest meaning: Learn the English definition and

Learn the English definition and meaning of Lest with examples, pronunciation, and translations to enhance your vocabulary. The meaning of LEST is for fear that —often used after an expression denoting fear or apprehension. How to use lest in a sentence. Lest is a conjunction that means "for fear that" or "so that not". It is used to express a possibility or a condition that should be avoided. See examples, synonyms, translations and related words. Lest definition : For fear that.Origin of Lest c.1200, contracted from Middle English phrase les te "less that," from Old English phrase þy læs þe "whereby less ...