Deficient
Deficient , adjective
[Latin deficiens, -entis, present participle of deficere to be wanting. See Defect.]
Wanting, to make up completeness; wanting, as regards a requirement; not sufficient; inadequate; defective; imperfect; incomplete; lacking; as, deficient parts; deficient estate; deficient strength; deficient in judgment.
The style was indeed deficient in ease and variety.