From Thesaurus: sex Part of Speech: noun Definition: male or female gender Synonyms: femininity, manhood, manliness, masculinity, sexuality, womanhood, womanliness Notes: gender is the properties that distinguish organisms on the basis of their reproductive roles; sex is either of the two categories, male or female, into which most organisms are divided.
Whereas you are hung up on sex Part of Speech: noun Definition: intercourse between animate beings Synonyms: birds and the bees, coition, coitus, copulation, facts of life, fornication, generation, intimacy, lovemaking, magnetism, procreation, relations, reproduction, sensuality, sexuality.