Standout vs. Stand Out
“Standout” is a one-word noun and can also be used before a noun as an adjective, especially in American English. “Stand out” is the two-word phrasal verb for being easy to notice or notably better than others.
Use “standout” as a noun or attributive adjective for someone or something notably excellent or noticeable. Use “stand out” as the verb phrase meaning to be especially noticeable or better than similar things.
Key details
Choose the right form
| Grammatical role | Form | Decision |
|---|---|---|
| noun for an especially noticeable or excellent person/thing | standout | Use one word. |
| attributive adjective before a noun | standout | The one-word adjective is documented, especially in American English. |
| verb meaning be especially noticeable or better than similar things | stand out | Use the two-word phrasal verb. |
Quick tests
Noun/adjective versus verb test
Can the expression take verb tense or follow a subject as the action/state?
If yes: Use the phrasal verb “stand out.”
If no: If it is a noun or an attributive adjective, use “standout.”
Caveat: The one-word adjective is especially associated with American English, but the core boundary here is grammatical role rather than a blanket regional ban.
Examples
Her final paragraph was the standout of the draft.
“Standout” is a noun naming the especially noticeable part.
It was a standout performance.
The one-word form works attributively before the noun.
One detail stands out from the rest.
“Stands out” is the inflected two-word phrasal verb.
Further guidance
Core difference
Use the documented noun or modifier form when naming a thing, result, person, or concept; use the spaced form when the words function as a verb.
Fast Test
If the expression can take ordinary verb tense or inflection in the sentence, the spaced verb form is usually the relevant choice.
Variant Boundary
Cambridge records “standout” as a noun and attributive adjective, and “stand out” as the corresponding phrasal verb.
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.
- STANDOUT — English meaning (opens in a new tab)Cambridge Dictionary · Standout noun/adjective form for a notably excellent or noticeable person or thing
- STAND OUT — English meaning (opens in a new tab)Cambridge Dictionary · Stand out phrasal-verb form for being noticeable or notably better