Adjective (な)
Adjective (の)
Noun
Verb (する)
Usually written in kana
1.  mischief;  prank;  trick;  practical joke
2.  pastime;  hobby
3.  playing with (a lighter, etc.);  fooling around with;  messing around with;  amusing oneself with;  tampering with
4.  lewd behaviour;  sexual misconduct;  sexual assault;  molestation;  rape
euphemism