See also: roas English Noun ROAS (uncountable) (marketing) Initialism of return on ad spend, a metric for the revenue earned per advertising cost. Anagrams aros, AROs, Raso, ROSA, oars, SORA, Soar, AORs, Orsa, Rosa, Raos, ORAS, oras, Sora, sora, osar, soar, ORSA, AoRsWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads