0 someone who you work with and have a very close relationship with, but not in a sexual way
1 a person that you work with and have a close relationship with, but not in a sexual way:
Even if your relationship with your office spouse is totally platonic, it may be a source of gossip among your colleagues.
NYA ORD
European
May 10, 2021
DAGENS ORD
Shimmer
office spouse