lesser-known
Not as well-known or widely known as others of the same kindNot as well-known or widely known as others of the same kind.
UK/ˈlɛsəˈnəʊn/US/ˈlɛsɚˈnoʊn/
Not as well-known or widely known as others of the same kindNot as well-known or widely known as others of the same kind.