遊ぶ

あそぶ · あすぶ

1. godan verb, intransitive to play (games, sports); to enjoy oneself; to have a good time
2. to mess about (with alcohol, gambling, philandery, etc.)
3. to be idle; to do nothing; to be unused
4. to meet up (with friends); to hang out
5. to give oneself up (to gambling, drinking, etc.)
6. as 〜に遊ぶ to go to (for pleasure or for study)
7. to tease (someone); to play (with)
8. baseball to intentionally throw a ball to lower the batter's concentration

すさぶ also 荒ぶ · 進ぶ

1. godan verb, intransitive to grow wild; to run to waste; to become degenerate
2. to become rough (of art, craft, etc.); to lose refinement; to deteriorate (of skill)
3. godan verb, auxiliary verb, intransitive, usu. after -masu stem to intensify (of wind, rain, etc.); to become more severe
4. godan verb, intransitive, archaic to do as one pleases; to amuse oneself; to play around