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sex

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sex/ˈsɛks/noun
pluralsexes
sex
/ˈsɛks/
noun
pluralsexes
Learner's definition of SEX  
[noncount]  : the state of being male or female : gender
[count]  : men or male animals as a group or women or female animals as a group
— see also opposite sex
[noncount]  : physical activity in which people touch each other's bodies, kiss each other, etc. : physical activity that is related to and often includes sexual intercourse — often used before another noun
— see also phone sex, safe sex
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