Two Young Girls Relaxing On The Holiday

The term "girlfriend" does not necessarily imply a sexual relationship, but is often used to refer to a girl or woman who is dating a person she is not engaged to without indicating whether she is having sex with him or her. With differing expectations of sexual mores, the term dating can imply romantic activity whereas simply using "friend" would likely avoid implying such intimacy. It is essentially equivalent to the term "sweetheart", which has also been used as a term of endearment.
Related terms
• A female engaged in an extramarital relationship with a male married person is frequently considered a "mistress".