Arch-Ex-Friend 

A person who was once someone's closest friend, but who became their worst enemy.
The pain received from having the worst enemy is worse, because of the painful loss of a friend.
Both parties usually become bitter and obsessive.

Josh: What? Why aren't you with Sara? You're always with her!
Jade: Oh, she's my Arch-Ex-Friend now. Haven't you seen her bitter attacks on Facebook?

Arch-Ex-Friend by Reformed August 13, 2010

ex-friend

A person who you were once friends with, but are no longer friends with, usually due to some kind of an argument.

Jana: "I was friends with Kathryn, until she stole my boyfriend."
Amanda: "Damn, Kathryn isn't a good friend then."
Jana: "She's not my friend anymore, she's my ex-friend."

ex-friend by jj1110 September 25, 2011

ex-friend

A person who you used to be friends with, but are no longer friends with, usually due to a fight.

"I was friends with Callie, but after she said all of that shit to Trent, and backstabbed me, we are no longer friends. She is my ex-friend.

ex-friend by yushouldknowme December 1, 2011

Ex Friend 

1.Someone who you wish would realise their mistake
2."When being right is more important than being friend then that's the end of being friends"

"If they were really your friend they wouldn't want you to apologize" "I want to be your friend again! I'm sick of being a Ex Friend!"

Ex Friend by cheryIblossom June 12, 2018

enfriend 

The gender neutral variation of "boyfriend" and "girlfriend" to be used in cases when the gender of the subject in question is either unknown, nonbinary, or purposefully omitted. Meant to be a more casual alternative to "partner".

"I forgot to tell you, but I have a new enfriend!"

"That's great! You should introduce me to them."

enfriend by KeesKiwi December 19, 2014

ex-friend

A person who used to be your friend.

Me:I used to be friends with Niko,and we are ex-friends now because he was talking bad about me,and said that I suck.
Luigi:I am ex-friends with my very good friend Lorenzo because he doesn't talk to me anymore when I was talking to him,and he was running away from me when I was trying to hang out with him.

ex-friend by LL6000 May 22, 2016

Ex-friend

A person who you were friends with through an Ex and though they might be cool people you can't hang out with them anymore.

When Maria and I broke up I had to stop hanging out with her best friend Jane because we had become ex-friends.

Ex-friend by Wheresthepineapple September 7, 2010