frivolous Antonyms - page 2

of the essence major league life-and-death life-or-death unsounded unsatisfiable unplumbed overserious supportive far-reaching nonsignificant meaningful all important serialize torrential topmost topical titanic thoughtful telling subterranean substantive trenchant upper uppermost prostatectomy influential worthwhile wise westernmost weighty vital urgent substantial numerary earnest critical core constructional constraining constitutive considerable consequential compulsory crucial deciding decisive drastic dramatization dominative