Not expert; not skilled; destitute of knowledge or dexterity derived from practice
If you describe someone or something as inexpert, you mean that they show a lack of skill. He was too inexperienced and too inexpert to succeed. inexpert needlework. expert. not having the skill to do something expert
lacking professional skill or expertise; "a very amateurish job"; "inexpert but conscientious efforts"; "an unskilled painting"