The word "un-finished" can be defined as something incomplete or not brought to a conclusion. Its antonyms are words that represent the opposite meaning, such as "completed," "finished," "accomplished," "concluded," "ended," "perfected," "resolved," and "finalized." By their nature, antonyms of "un-finished" indicate something achieved or completed successfully. They can also suggest a sense of accomplishment, closure, and satisfaction. Using an antonym of "un-finished" adds a sense of positivity and achievement to any sentence or passage. Choosing the right antonym can add nuance and depth to your writing, leading to a more engaging and dynamic reading experience.