Outsell/ˌaʊtˈsel/ Definition 1 of 2Pro Tip 1/3Commercial Success Use when discussing a product's dominance in the marketplace. The smartphone model quickly outsold all its competitors. Pro Tip 2/3Quantitative Comparison Highlighting the actual number of items sold compared to another. Their new album outsold the band's combined sales from last year. Pro Tip 3/3Temporal Context It can emphasize rapid success shortly after a release. The gadget outsold its rival within a month of its launch.