to be short of ...;  to be deprived of ...;   to be deficient in ...;   to have no ...;  to lack
Deprived of water/air;  waterless/airless
To lack nothing but the will
To lack self-confidence
in-;  im-;  un-
Inconsistent
Impractical;  Unpractical
dearth;  lack;  deficiency
Vitamin/iron/calcium deficiency
To be released for lack of proof
minus;  missing
If anything is missing, please contact your software supplier
There are two dictionaries missing from the bookshelf
That chair is minus a leg
There are four books too few
The sum owed to her by her brother