noun
A direct loan from English, used as a noun in Japanese to describe a feeling or atmosphere of joy. Often appears in brand names, titles, or as a stylistic alternative to native words like 喜び.
彼女の笑顔はとてもジョイフルだ。
Her smile is very joyful.
この曲はジョイフルな気分にさせてくれる。
This song puts me in a joyful mood.