unskilled (adj.)

• amateurish
• callow
• dilettante
• dilettantish
• fresh
• green
• ignorant
• immature
• incapable
• incompetent
• inept
• inexperienced
• inexpert
• raw
• semiskilled
• undeveloped
• unendowed
• unfinished
• unfledged
• uninitiated
• unpolished
• unpracticed
• unprepared
• unprofessional
• unripe
• unschooled
• unseasoned
• unskillful
• untalented
• untaught
• untrained
• untried
• untutored
• unversed
• unworkmanlike