prevalent /ˈpɹɛvələnt/adjective 2noun 1forms 3 adjective2 •Widespread or preferred. •Superior in frequency or dominant. noun1 •A species that is prevalent in a certain area.The species I found to be most prevalent on the Spring Green study site were compared with lists of prevalents in compositionally related communities of Wisconsin developed by Curtis (1959). — 1983 formsprevalents · more prevalent · most prevalent