(colloquial) A person you used to have a relationship with
A person that you share a place to live
A very good friend you can talk to about anything
Flatmate
Close friend
Partner
Two people who are married or in a romantic relationship
A friend from school or college
Your husband, wife, boyfriend or girlfriend
Ex
Classmate
The person that you are engaged to be married to
Fiancé
A person that you work with
Colleague
Couple