lacking: Meaning and Definition of
lack•ing
Pronunciation: (lak'ing), [key] — prep.
- being without; not having; wanting; less: Lacking equipment, the laboratory couldn't undertake the research project.
—adj. - wanting; deficient: He was found lacking in stamina.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.