Is the word seven an adjective?

Answer 1

Yes, seven is an adjective when it is used to describe a noun.

My cousin has SEVEN brothers and sisters.

In this sentence the nouns BROTHERS and SISTERS are being described by the adjective SEVEN.

The SEVEN monkeys swung across the jungle.

In this example it is an adjective because it describes the noun MONKEYS.

However if the number SEVEN is used as a title or name of a person, place or thing it is considered a noun or proper noun.

My cousin SEVEN has eight friends.

Here SEVEN is a proper noun because it is the name of a person.

I went to club SEVEN last Saturday.

Once again SEVEN is a proper noun because it is the title of a club, place.

Answer 2

yes