Wanting
From BiblePortal Wikipedia
Webster's Dictionary [1]
(1): ( p. pr. & vb. n.) of Want
(2): ( a.) Absent; lacking; missing; also, deficient; destitute; needy; as, one of the twelve is wanting; I shall not be wanting in exertion.
King James Dictionary [2]
Wanting, ppr.
1. Needing lacking desiring. 2. a. Absent deficient. One of the twelve is wanting. We have the means, but the application is wanting. 3. Slack deficient. I shall not be wanting in exertion.