Definitions

1. adverb

used to indicate that a statement applies to all members of a group

“I’ve met every person in the class.”

2. noun

each member of a group

“The team is trying to get every player to the game.”

3. determiner

used to indicate that a statement applies to all members of a group

“I’ve read every book on the shelf.”

4. preposition

used to indicate that a statement applies to all members of a group

“Every one of them is a friend.”