Off-target means a way of doing something that is not accurate, precise or correct. The antonyms are on-target, accurate, precise, correct, spot-on, and reliable. When something is on-target, it means you are hitting the target or goal accurately. Accurate means you are correct in your judgment or estimation of something. Precise is the quality of being exact and accurate in your measurement, calculation or expression. Correct is being free from error, true or accurate. Spot-on is being exactly right or accurate. Finally, reliable is deserving trust and dependable in performance or effectiveness. These antonyms for off-target can be useful in communicating and describing successful and accurate results.