Someone with whom you went out with and is no longer your girfriend.
ex-girlfriend
The wife of one's father by a later marriage.
stepmother
The child who is not the natural child of the parents but has become a true child by legal action.
an adopted child
A fellow worker or a colleague.
co-worker
When you laugh at the same things is because you and your friend...
have the same sense of humor
A man living off the earnings or gifts of a woman, especially a younger man supported by an older woman.
a gigolo
A person who you have been friends with for a long time.
old friend
The father of your husband or wife.
father-in-law
An intimate or close friend
best friend
A person who acts in the place of another person's biological mother.
surregate mother
A person you know, but who is not usually a close friend.
acquaintance
A person who makes decisions, exercises authority, dominates, etc.
Boss
A married man
husband
A woman who has a continuing, extramarital sexual relationship with one man.
mistress
A person who feels hatred, or malice toward another.
foe or enemy
When you keep calling or sending e-mails or mesages with a friend...
keep in touch
A member of the same class at a school or university.
classmate
A member of the same team.
teammate
A fellow worker or member of a staff, department, profession, etc.
a colleague
A person with whom one has had no personal acquaintance.
stranger
A son of one's husband or wife by a previous marriage.
stepson