multivariate UK /ˌmʌl.tiˈvɛə.ɹi.ɪt/US /ˌmʌl.tiˈvæɹ.i.ɪt/adjective 1noun 1forms 3 adjective1 •Having, involving, or relating to multiple variables. noun1 •A vector, each of whose elements is a variate. formsmultivariates · more multivariate · most multivariate