(chiefly with reference to people) sexual activity, including specifically sexual intercourse
they enjoyed talking about sex
I didn't want to have sex with him
either of the two main categories (male and female) into which humans and most other living things are divided on the basis of their reproductive functions
adults of both sexes
determine the sex of
each bird would need to be individually sexed
present something in a more interesting or lively way.
arouse or attempt to arouse someone sexually.