Definition of frivolous adjective from the Oxford Advanced Learner's Dictionary

     

    frivolous

     adjective
    adjective
    BrE BrE//ˈfrɪvələs//
     
    ; NAmE NAmE//ˈfrɪvələs//
     
    (disapproving)
     
    jump to other results
  1. 1(of people or their behaviour) silly or amusing, especially when such behaviour is not suitable frivolous comments/suggestions Sorry, I was being frivolous. Her words seemed utterly frivolous.
  2. 2having no useful or serious purpose frivolous pastimes/pleasures
  3. Word Origin late Middle English: from Latin frivolus ‘silly, trifling’ + -ous.
See the Oxford Advanced American Dictionary entry: frivolous