lest
/lɛst/ conjunction
- conjunction For fear that; that not; in order to prevent something from happening; in case. “He won't go outside, lest he be eaten by those ravenous eagles.”
- conjunction (after certain expressions denoting fear or apprehension) that (without the negative particle; introduces the reason for an emotion.) “There was danger/alarm lest the plan become known.”
Synonyms
Etymology
c. 1200, contracted from Middle English les te (“less that”), from Old English þȳ lǣs þe (“whereby less that”), from þȳ (instrumental case of demonstrative article þæt (“that”)) + lǣs (“less”) + þe (“that,” relative particle). The þȳ was dropped and the remaining two words contracted into leste.
Webster’s 1913
- verb To listen. [Obs.] Chaucer. Spenser.
- noun Lust; desire; pleasure. [Obs.] Chaucer.
- adjective Last; least. [Obs.] Chaucer.
- conjunction For Love not sleep, lest thou come to poverty. Prov. xx. 18.
Etymology [See List to choose.]
Etymology [OE.leste, fr. AS. l the less that, where that, who, which. See The, Less, a.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “lest”, CC BY-SA 4.0. Details