lest

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lest

  • /lɛst/
  • /liːst/ obsolete
  • /lɛst/ Early Modern
  • /lɛːst/ Early Modern

Rhymes with -ɛst

Where it comes from

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.

conjunction

  1. formal, literary 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.

    Similar: before

  2. formal, literary, 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.

Thesaurus

Closest in meaning: avoid, before, bogles, else, least, unless, guarding against, in case, preventing, avoiding, warding off, otherwise, or else, against, barring, cannot

Translations

Every language

conj for fear that

Españolno vaya a ser que
日本語しないように shinai yō ni
中文以免 yǐmiǎn
Portuguêspara que, a fim de que ... não
Françaisde peur que, sans quoi
Deutschfürchtend, dass, in der Furcht, dass
Italianoper paura che
Românăîn caz că
Русскийиз страха, что
العربيةخِيفَةَ أَنَّ ḵīfata ʔanna, مَخَافَةَ أَن maḵāfata ʔan
עבריתפֶּן pen

conj that … not

Deutschbevor, auf dass nicht
Русскийчтобы не, и́на́че ínáče

conj that (without the negative particle)

Românăcare

Talk about this word

Cite this
MLA

"lest." Wiktionary, via Micwyn, micwyn.com/word/lest. Accessed 6 Nov. 2026.

APA

lest. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/lest

Chicago

"lest." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/lest.

BibTeX
@misc{lest_2026,
  title = {lest},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/lest},
  urldate = {2026-11-06}
}