unaccomplishedEnglishOxford American Thesaurusunaccomplished adjective 1 the unaccomplished works of Nature's hand: uncompleted, incomplete, unfinished, undone, half-done, unperformed, unexecuted, undeveloped, unfulfilled, neglected. ▷antonyms accomplished, complete. 2 he was an unaccomplished poet: inexpert, unskillful, unskilled, without finesse, incompetent, incapable, talentless, amateur, amateurish, unqualified, untrained, dilettante, maladroit, blundering; rare dilettantish. ▷antonyms accomplished, expert, skillful.