Lest

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Vine's Expository Dictionary of NT Words [1]

1: Μή (Strong'S #3361 — particle — me — may )

a negative particle, often used as a conjunction, is frequently translated "lest," e.g.,  Mark 13:36 (in ver. 5, RV, "that no," for AV, "lest");   Acts 13:40;  23:10 .

2: Ἵνα Μή (Strong'S #3363 — Conjunction — hina me — hin'-ah may )

"in order that not," is rendered "lest," e.g., in  Matthew 17:27; in some instances the RV renders the phrase "that ... not," e.g.,  Luke 8:12 , or "that ... no,"  1—Corinthians 9:12 (AV, "lest").

3: Μήποτε (Strong'S #3379 — Conjunction — mepote | me pote — may'-pot-eh, may pot'-eh )

denotes "lest ever, lest perhaps, lest at any time," e.g.,  Matthew 4:6; "lest haply,"  Matthew 7:6 , RV (AV, "lest"), and in  Matthew 13:15 (AV, "lest at any time"); in   Matthew 25:9 , RV, "peradventure" (AV, "lest"). The RV does not translate this simply by "lest," as in the AV; see further, e.g., in  Matthew 27:64;  Mark 14:2;  Luke 12:58; the addition of pote requires the fuller rendering.

 Luke 14:29

4: Μήπως (Strong'S #3381 — Conjunction — mepos | me pos — may'-poce, may poce )

used as a conjunction, denotes "lest somehow, lest haply, lest by any means," e.g.,  2—Corinthians 2:7 , RV, "lest by any means" (AV, "lest perhaps"); so  2—Corinthians 12:20 (twice);   Galatians 4:11 (AV, "lest"); in   1—Thessalonians 3:5 (AV, "lest by some means").

5: Μή (Strong'S #3361 4225 — particle — mepou | me pou — may )

"lest perhaps," is used in  Acts 27:29 , RV, "lest haply" (AV, "lest").

 2—Corinthians 4:4

Webster's Dictionary [2]

(1): ( v. i.) To listen.

(2): ( n.) Lust; desire; pleasure.

(3): ( a.) Last; least.

(4): ( a.) For fear that; that . . . not; in order that . . . not.

(5): ( a.) That (without the negative particle); - after certain expressions denoting fear or apprehension.

King James Dictionary [3]

LEST, con. That not for fear that.

Ye shall not eat of it, neither shall ye touch it, lest ye die.  Genesis 3 .

The phrase may be thus explained. Ye shall not touch it that separated or dismissed, ye die. That here refers to the preceding command or sentence that being removed or not observed, the fact being not so, ye will die.

Sin no more, lest a worse thing come to thee.  John 5 .

Sin no more that fact not taking place, a worse thing will happen to thee.

References