"Friend zone" describes the way most women stop seeing a male friend as dating material after a certain amount of time has passed, even though she might have begun dating them had he acted differently when they first met.

John meets Mary. Mary thinks "This guy seems nice. He's quite funny and reasonably good looking". John doesn't ask Mary out, but they see each other at social functions. After a while, Mary stops seeing John as a nice guy who is quite funny and reasonably good looking, and just sees him as friend. John realizes he's secretly madly in love with Mary and begins trying to hang out with her more and more. Because John loves Mary, he stops behaving reasonably and starts doing anything just to spend time with her. Eventually, he summons his courage and confesses his love for her. But Mary just feels uncomfortable and confused. She doesn't want to lose her friend and she feels pressured by his feelings for her. To be honest, John's been a little needy and pathetic lately, hanging on her every word and catering to her every whim, and that's not really very sexy.

John had a chance when they first met but he fucked it up by not doing anything about it. When he finally got his act together, the friendship that developed actively interfered with his potential of getting Mary to go on a date with him.

source & further examples: reddit.com/r/TwoXChromosomes/comments/o01v8/what_i_think_when_someone_talks_about_friendzoning/c3denue
person A: I tried to kiss her, but then she said " I think we should just stay good friends. "
person B: Wow. You totally got into the friendzone.
by ilikepix January 3, 2012
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To like or love someone however they dont like you
GirlHey you wanna go out?
Boy:Hey friendzone
by Aims April 28, 2016
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The cross faze period between two people where the relationship could go one of two ways: Total platonic friendship or Romantic partnership. Usually the former occurs, regardless of whether the two people are attracted to each other or not due to the high school mentality that risking a friendship is a risk they can't bare to make. Two people might be great for each other, but they are either to awkward or stubborn about the mention of idea with each other, often due to pressure from friends that they would be just "perfect for each other". This happens to both girls and boys, alike.
Deborah: Who do you think I'd be good with?
Alex: How about Henry?
Deborah: Everybody says that, I don't-I don't get it.

Alex: You two would be great together, though.
Deborah: Maybe. But he's such a good friend and I really don't want to put all my eggs in one basket...I don't even know him that well.
Alex: Who said you had to know him? That's what dates are for!
Deborah: I'd honestly much rather just remain in the FriendZone.
by GuybrushThreepwood November 30, 2014
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When the person you like doesn't like you back, but it's worse. This person treats you as a friend, so even though you every time you hang out with this person, you want to make out with them and stick your tongue down their throat, you have to resist because you might lose them as a friend.

This phrase came from the show Friends. Joey told Ross that Rachel likes him, but will never like like him. That he is in this 'friend zone.'
"Dude, I just spent hours texting her trying to make her feel better ever since Pete broke up with her and you know what she told me? 'Why can't I find a guy like you?'"

"Sorry, man. You're totally FRIENDZONED!
by Walter Melon June 5, 2013
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The perennial location of nice guys everywhere.
Guy 1: I thought you were going to ask her out.
Guy 2: Naw, I was told that she liked me as a friend.
Guy 1: Have fun in the friendzone.
by x9racecar9x March 20, 2010
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It's when you and a girl are friends. That's it.
Hey friend. You and I are in the friendzone becouse we are friends.
by Nexanteria May 3, 2018
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-the absolute worst and most painful experience known to all of mankind.

-having feelings for someone who sees you as "a brother/sister"

- usually boys are said to be in the friendzone but girls get friendzoned just as much
-"hey, what happened? how did you brake every bone in your body?"
"oh I fell but it could be worse. I could be friendzoned."

- "oh yeah he friendzoned me because he likes my personality but I'm not pretty enough for him"

-"I knew I was friendzoned when he gave me a pat on the back as he said goodbye"
by pat on the shoulder goodbyes October 27, 2013
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