Definition of "naughty" in English

adjective

1. Mischievous; tending to misbehave or act badly (especially of a child).

   • Some naughty boys at school hid the teacher's lesson notes.

2. 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, of a treat) Decadent, had as indulgence, especially an unhealthy one.

4. (now rare, archaic) Evil, wicked, morally reprehensible.

5. (obsolete) Bad, worthless, substandard.

verb

1. To perform sexual acts upon.