There are several synonyms for the word "outruns" that convey a similar meaning but with slight nuances of difference. Some of the synonyms for the word outruns include outpaces, leaves behind, surpasses, overtakes, outstrips, and exceeds. These words suggest a sense of speed, superiority, and increased performance. Outpaces is often used to describe someone who is moving faster than another person or entity. Leaves behind has a connotation of leaving someone or something behind in a race or competition. Surpasses indicates an achievement greater than another. Conversely, outstrips and exceeds both imply surpassing expectations, but outstrips has a connotation of leaving them behind in the distance, while exceeds focuses on crossing a barrier or boundary.