Concept vs Notion

When to use each in English, with meaning, register, and examples.

 ConceptNotion
MeaningAn idea or a plan in your mind.An idea or belief about something.
CEFR levelB2B2
Part of speechnounnoun
Usage notesUse 'concept' when discussing ideas in academic, technical, or creative contexts. Avoid in casual conversations where simpler words like 'idea' might work better.Use 'notion' in contexts where discussing concepts or beliefs. This word is appropriate in both spoken and written language but leans more towards academic or philosophical discussions.

Frequently asked questions: Concept vs Notion

What's the difference between "Concept" and "Notion"?

"Concept" means: An idea or a plan in your mind. "Notion" means: An idea or belief about something.

When should I use "Concept" and "Notion"?

They can all be used in everyday English.

Are "Concept" and "Notion" the same CEFR level?

"Concept" is at B2, "Notion" is at B2 on the CEFR scale.

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