Lack

v. t. [imp. & p. p. LACKED (lăkt); p. pr. & vb. n. LACKING.] [O. Sw. lacka, to fail, lack, O. D. laecken, to decrease, fail, O. Fries. lackia, lākia, to blame, O. Eng. lake, blame, fault, Scot. laik, failure, lack, lak, to reproach, depreciate, Dan. lak, fault, want, lakke, to decline or wear away, O. H. Ger. lahan, to reproach.]

1Sense 1. To be destitute of; not to have or possess; to want.

If any of you lack wisdom, let him ask of God. James i. 5.

2Sense 2. To regard as wanting; to slight; to blame. [Obs. and rare.] Chaucer.

v. i. 1. To be in want. The young lions do lack, and suffer hunger. Ps. xxxiv. 10. 2. To be wanting. Peradventure there shall lack five of the fifty righteous. Gen. xviii. 28.

n. Want; destitution; need; failure.

Let his lack of years be no impediment. Shak.

n. See LAC.