Every One vs. Everyone
“Everyone” is one word when it means every person. “Every one” is two words when one is a separate element referring to each individual member of a set, especially in constructions such as “every one of them.”
Use “everyone” for every person; use “every one” when referring separately to each member of a set.
Key details
Choose the right form
| Meaning / situation | Form / construction | Decision |
|---|---|---|
| all the people in a group, collectively | everyone | Use the one-word pronoun. |
| each individual member of a set is emphasized | every one (often every one of...) | Use two words. |
| the following noun is directly modified | every + singular noun | Do not confuse either form with ordinary determiner “every.” |
Quick tests
Meaning / construction test
Could the expression be replaced by “every person” without emphasizing each item separately?
If yes: Use “everyone.”
If no: If the meaning is each individual member, especially before “of,” use “every one.”
Caveat: “Everyone” is restricted to people, while “every one” can refer individually to people or things when the set is clear.
Examples
Everyone was ready to leave.
The one-word pronoun means every person.
Every one of the samples was labeled.
Two words emphasize each individual member of the set.
She checked every one before signing the form.
The phrase refers separately to each item already identified by context.
Further guidance
Core difference
“Everyone” is the one-word indefinite pronoun meaning every person; “every one” keeps “one” separate when referring individually to members of a set, often in “every one of …”.
Usage Boundary
Write “everyone” when you mean every person collectively; write “every one” when “one” is a separate noun or pronoun referring to each individual member.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
- Every — Cambridge Grammar (opens in a new tab)Cambridge Dictionary / English Grammar Today · Every/every one/everyone grammar and word-boundary guidance, including related every constructions