The term "un-attempted" indicates a lack of effort or initiative in performing a specific task. Some antonyms for this word could be "tried," "completed," "finished," "undertaken," or "accomplished." These words suggest the opposite of the concept of "un-attempted" and convey a sense of achievement, success, and fulfillment. Antonyms such as "pursued," "worked on," "experienced," "faced," or "tackled" suggest active engagement and a willingness to take risks to achieve a particular objective. In contrast, the term "un-attempted" might imply a lack of motivation, confidence, or interest in the task at hand, hindering progress and personal growth.