Noah Webster's Dictionary 1. (a.) Not skillful; inexperienced; awkward; bungling; as, an unskillful surgeon or mechanic; an unskillful logician. 2. (a.) Lacking discernment; injudicious; ignorant.

Multi-Version Concordance Unskillful (1 Occurrence) Hebrews 5:13 For every one that useth milk, is unskillful in the word of righteousness: for he is a babe. (WBS)