girlfriend//ˈɡɜːrlˌfrɛnd//A2Frequency Level 7CasualNoungirlfriendSingulargirlfriendsPlural1A female partner in a romantic or sexual relationship.He introduced me to his girlfriend at the party.2A female friend (used especially by women or girls).I'm going shopping with my girlfriends this weekend.SynonympartnerloverAntonymboyfriend