Verb (5-dan, る, intransitive)
Usually written in kana
1. to indulge in; to give oneself up to; to be obsessed by
彼は毎晩ギャンブルにふけっている。He indulges in gambling every night.
Auxiliary verb (5-dan, る)
Usually written in kana
2. to be engrossed in; to be lost in; to be absorbed in
子供たちは時間を忘れて遊びふけった。The children were so absorbed in play that they lost track of time.