someone who is sexually attractive► sexy sexually attractive to people, either because of your body, your good looks, or attractive personality: · Peter is strong, good looking, and very sexy.· The advertisement showed a sexy young woman in a short skirt standing beside a sports car.· Her flushed cheeks, wide eyes, and slightly opened mouth made her look sexy.
► attractive someone who is attractive has a personality or appearance that makes other people sexually attracted to them: · It's enough for me that my husband thinks I'm sexually attractive.attractive to: · I don't know what makes Jamie so attractive to women.find somebody attractive (=think they are attractive): · She's very nice but I don't really find her attractive.
► sex appeal someone's appearance, behaviour, or personality that makes them sexually attractive: · Tanya uses her sex appeal to get whatever she wants.have sex appeal: · Barry's a really nice guy, but he has absolutely no sex appeal.
► desirable formal someone who is desirable makes you feel sexually attracted to them: · Ray was still in good shape and far more desirable than most men his age.
► voluptuous a woman who is voluptuous has large breasts and an attractive, rounded body, so that men feel sexually attracted to her: · Everyone turned to look at Gordon and his voluptuous mistress as they entered the room.
► alluring written a woman who is alluring attracts men in a sexual way, because she seems to be exciting and a little mysterious: · Helene was an alluring beauty whom few men could resist.· She was encouraged to use her feminine charms, to be coy and alluring.
the quality of being sexually attractive: 
She’s young and pretty and full of sex appeal.