Hit a clinker is an idiomatic expression that means to encounter an obstacle or have a setback. The antonyms, or opposite words, for this phrase can vary depending on the context. In some cases, the antonym may be to succeed or achieve a goal. In other situations, it may be to smoothly navigate a situation or avoid any complications. Some possible antonyms for hit a clinker include triumph, excel, prosper, flourish, prevail, sail through, breeze through, and avoid hurdles. By understanding the antonyms of hit a clinker, individuals can strive to overcome any challenges and achieve their objectives.