Cool MateMostly vs Primarily
When to use each in English, with meaning, register, and examples.
| Mostly | Primarily | |
|---|---|---|
| Meaning | mainly or for the most part | mainly; for the most part |
| CEFR level | A2 | B2 |
| Part of speech | adverb | adverb |
| Usage notes | Used to describe something that is true for the majority or the largest part. Suitable in both spoken and written contexts, but avoid using in highly technical or specialized discussions. | Use 'primarily' when you want to focus on the main reason or purpose; it's suitable in both spoken and written English but is more common in formal contexts than casual conversation. |
Frequently asked questions: Mostly vs Primarily
What's the difference between "Mostly" and "Primarily"?
"Mostly" means: mainly or for the most part "Primarily" means: mainly; for the most part
When should I use "Mostly" and "Primarily"?
They can all be used in everyday English.
Are "Mostly" and "Primarily" the same CEFR level?
"Mostly" is at A2, "Primarily" is at B2 on the CEFR scale.