sexuality UK /sɛk.ʃuːˈæ.lɪ.ti/US /sɛk.ʃuˈæ.lə.ti/ noun5 •The quality of being sexual; that which is characterized or distinguished by sex. •Sexual orientation.You were wearing rainbow gloves / With matching socks / What a display / Of everyday sexuality — 2025 •Sexual activity; concern with, or interest in, sexual activity.Listening to teenage girls on the telephone discuss for an hour who held whose hand at a party underscores the universal adolescent fascination with burgeoning sexuality. — 1998 •Sexual identity, gender. •Sexual potency. formssexualities