荒ぶ;進ぶ;遊ぶ [すさぶ] /(v5b,vi) (1) (See 荒む・1) to grow wild/to run to waste/to become degenerate/(v5b,vi) (2) to become rough (of art, craft, etc.)/to lose refinement/to deteriorate (of skill)/(v5b,aux-v,vi) (3) (usu. after -masu stem) to intensify (of wind, rain, etc.)/to become more severe/(v5b,vi) (4) (遊ぶ only) (arch) to do as one pleases/to amuse oneself/to play around/EntL2476100/