* Noun: When it refers to two people in a relationship, or two things that go together.
* Example: "The couple danced the night away."
* Example: "A couple of days ago, I went to the store."
* Verb: When it means to join or connect two things.
* Example: "The carpenter coupled the two pieces of wood together."
* Adjective: When it means two or a pair.
* Example: "A couple of hours later, they arrived."
So, "couple" is versatile!