A frienemy is an enemy in disguise as your friend. Someone who brings you down. Someone who pretends to be your friend.
The frienemy can be nice, even be fun to be around but you can always count on the fact that they will somehow bring you down, behave in a condescending way, and can even be manipulative.
Take the Frenemy Quiz
Elle.com has a quiz to see if you’ve got a frenemy.