What is girlfriend?

A girlfriend generally means:

1. Romantic partner (most common meaning)

A girlfriend is a woman or girl with whom someone is in a romantic relationship. Example:

• “He introduced his girlfriend to his family.”

2. Female friend (less common, casual use)

Sometimes people also say “girlfriend” to mean a close female friend, especially in casual English among women. Example:

• “She’s my girlfriend from college.” (meaning just a friend)

Simple meaning:

A girl who is your romantic partner — someone you like, love, spend time with, and have a relationship with. If you want, I can also explain boyfriend, relationship, crush, love, etc.