frivolizar betyder på engelska

make light of▼(regard without due seriousness)
verb
[UK: ˈmeɪk laɪt əv ˈsʌm.θɪŋ] [US: ˈmeɪk ˈlaɪt əv ˈsʌm.θɪŋ]

trivialize [trivialized, trivializing, trivializes]▼(make something appear trivial)
verb
[UK: ˈtrɪ.vɪə.laɪz] [US: ˈtrɪ.viə.ˌlaɪz]