Lest v. i. To listen. [Obs.]
Lest, n. Lust; desire; pleasure. [Obs.]
1. For fear that; that . . . not; in order that . . . not.
Love not sleep, lest thou come to poverty. --Prov. xx. 13.
Wherefore let him that thinketh he standeth take heed lest he fall. --1 Cor. x. 12.
2. That (without the negative particle); -- after certain expressions denoting fear or apprehension.
Lest I might anger thee. --Shak.
Lest, a. Last; least. [Obs.]
adv 1: for fear that; "she tiptoed lest her mother should hear her"
2: that (after verbs explicitly expressing fear etc.); "he
worried lest he should be late"