someone you're going to marry very soon
fiancé(e)
someone you have known for a long time (typically not from your family) who you consider to have an important friendship with
close friend
When you are in a couple you...
are together
When you learn more about someone you meet for the first time you...
get to know them
When you decide to have a wedding with someone you...
get married
someone who used to be your boyfriend/girlfriend, but is not now
ex
someone you live with who is not a member of your family or your boyfriend/girlfriend
flatmate
When you are in a romantic relationship with someone and are dating them, you...
go out together
two people who go out together/are in love/are married
couple
When you have a good relationship with someone, you...
get on
your husband, wife, boyfriend or girlfriend
partner
When you stop a romantic relationship with someone you...
break up
Someone in the same class as you
classmate
When you start a friendship with someone you...
become friends
When you start contact with someone again after some time you...
get in touch
someone you work with
colleague