naughty

adjective5

1. •
   (of a child) often causing trouble and not doing what adults say

   • Some naughty boys at school hid the teacher's lesson notes.
2. •
   (informal) Sexually provocative; now in weakened sense, risqué, cheeky.

   • I bought some naughty lingerie for my honeymoon.
   • If I see you send another naughty email to your friends, you will be forbidden from using the computer!
3. •
   (informal) Decadent, had as indulgence, especially an unhealthy one.

   • You knew I had to include at least one naughty chocolate smoothie, didn't you?! — 2014
4. •
   (no longer used) Evil, wicked, morally reprehensible.

   • my pronesse to sinne, and naughty appetites and desires, woulde drawe me headlong to the pitte of hell — 1589
5. •
   (no longer used) Bad, worthless, substandard.

   • In Cornwall is two speches, the one is naughty Englysshe, and the other is Cornysshe speche. — 1542