Definitions for "Unprotected sex"
also called unsafe sex; sexual intercourse where an exchange of body fluids takes place with no barrier such as a condom; can transmit an STD, including HIV, between partners.
sexual activity that happens without protection against pregnancy or sexually-transmitted infection; this may be unintentional, for example, when a condom breaks
Having sex without using some form of birth control and/or protection against STIs .