Involving the physical feelings and actions that people have when they like each other in a special way.
The word 'sexual' can make people feel shy or embarrassed because it is a private and personal thing.
Examples:
He has a sexual feeling for her.
She doesn't want to do anything sexual.
The movie has a lot of sexual scenes.
I don't want to talk about anything sexual!
In the animal kingdom, there are many different sexual behaviors.
It's important to talk to someone you trust about sexual things.