Godan verb with 'bu' endingintransitive verb to grow wild;to run to waste;to become degenerate

Godan verb with 'bu' endingintransitive verb to become rough (of art, craft, etc.);to lose refinement;to deteriorate (of skill)

Godan verb with 'bu' endingintransitive verb to intensify (of wind, rain, etc.);to become more severe

Godan verb with 'bu' endingintransitive verb archaic only applies to 遊ぶ to do as one pleases;to amuse oneself;to play around