Just \j(u)-st\ as a boy's name is a variant of Justin (Latin), and the meaning of Just is "just, upright, righteous".

The baby name Just sounds like Justo and Juste. Other similar baby names are Dusty, Faust, Jase, Jess, Jet, Jett, Judd, Jud, Jose, Joss, Jude, Junot, Justyn, Justus, Justis, Justen, Justan, Joost, Rusty and West.