EXAMPLES FROM THE WEB FOR LEST
Was he worse and were they afraid to tell her, lest she should go to him!
Stand aside, Arnaud, lest you find a bolt through your gizzard.
Yet they took no active measures in that way, lest they might have cause to regret it.
Nevertheless, we will have it done, lest their bad example should corrupt the other hogs.
But we were afraid to lose sight of the bridge, lest we should get all adrift.
He did not go down to the Lake this day, lest he should come near the tinker.
Nay, answer me not, lest all these should remember your ill words.
But we should be cautious in passing our judgment, lest we also be judged.
He had never been sent to school, lest he should meet with mortification.
Do not place the spit too near the fire, lest the skin should burn and blister.
c.1200, contracted from Middle English phrase les te "less that," from Old English phrase þy læs þe "whereby less that," from þy, instrumental case of demonstrative article þæt "that" + læs (see less) + þe "the." The þy was dropped and the remaining two words contracted into leste.