adjective
1.
lacking in skill or proficiency
an ardent but unskillful home mechanic
Synonyms: inadept, inapt, inept, inexpert, unapt, undexterous, unfacile, unhandy, unproficient
Related Word: incapable, incompetent; unfitted, unqualifed, unready
Contrasted words: adept, apt, dexterous, expert, handy, proficient
Antonyms: skillful
2.
Synonyms: inefficient 2, incapable, incompetent, inept, inexpert, unexpert, unskilled, unworkmanlike