friend-zone

[frend-zohn]
verb (used with object), friend-zoned, friend-zon·ing.
  1. Slang. to put (someone) in the friend zone: He wonders why he's always getting friend-zoned by women he likes.

friend zone

noun
  1. Slang. a friendship in which one person, typically male, is romantically or sexually attracted to the other, but the attraction is not mutual: He's obviously in love with her but she keeps him in the friend zone.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018