Entry 7 senses · 4 variants Webster, 1913 Lack /(lăk)/ · IPA /læk/ n. v. t. v. i. interj. 01 n. Blame; cause of blame; fault; crime; offense. 1. Blame; cause of blame; fault; crime; offense.[Obs.] 2. Deficiency; want; need; destitution; failure; as, a lack of sufficient food. “She swooneth now and now for lakke of blood.” — Chaucer. “Let his lack of years be no impediment.” — Shak. 02 v. t. To blame; to find fault with. imp. & p. p. Lacked; p. pr. & vb. n. Lacking 1. To blame; to find fault with.[Obs.] “Love them and lakke them not.” — Piers Plowman. 2. To be without or destitute of; to want; to need. “If any of you lack wisdom, let him ask of God.” — James i. 5. 03 v. i. To be wanting; often, impersonally, with of, meaning, to be less than, short, not quite, etc. 1. To be wanting; often, impersonally, with of, meaning, to be less than, short, not quite, etc. “What hour now? I think it lacks of twelve.” — Shak. “Peradventure there shall lack five of the fifty.” — Gen. xvii. 28. 2. To be in want. “The young lions do lack, and suffer hunger.” — Ps. xxxiv. 10. 04 interj. Exclamation of regret or surprise. 1. Exclamation of regret or surprise.[Prov. Eng.]