Some people dont consider either to be real sex because you cant get pregnant or because some people refer to oral sex as third base but oral and anal are definitely types of sex the word. English language learners definition of sex the state of being male or female men or male animals as a group or women or female animals as a group physical activity in which people touch each others bodies kiss each other etc physical activity that is related to and often includes sexual intercourse. Sex definition the male female or intersex division of a species especially as differentiated with reference to the reproductive functions see more. Denny burk has just stepped into the fray with what is the meaning of sex a wide ranging treatment of what the bible says about sex and sexuality this is not a guide to a better marriage and certainly not a bedroom how to instead it is a book that addresses sex in the big picture the biggest possible picture by discovering the ultimate purpose for sex and from there its many implications