Boyfriend (noun)

1. A male partner in a romantic or sexual relationship.
2. A close male friend.
3. A term of address for a male friend or acquaintance.

Origin:

The word "boyfriend" was first recorded in the early 20th century. it is a combination of "boy" and "friend".

Examples:

1. She brought her boyfriend to the party.
2. He has been my boyfriend since high school.
3. Hey boyfriend, how are you doing today?
4. They have been boyfriend and girlfriend for a year now.
5. She confided in her boyfriend about her problems.