Cool MateAn idea vs Notion
When to use each in English, with meaning, register, and examples.
An idea
Top 1,000 (very common)
Notion
Top 2,000 (common)B2noun
Most common: An idea
| An idea | Notion | |
|---|---|---|
| Pronunciation | 🇬🇧 //ən aɪˈdɪə//🇺🇸 //ən aɪˈdiə// | 🇬🇧 /["/ˈnəʊʃn/"]/🇺🇸 /["/ˈnəʊʃn/"]/ |
| Meaning | A thought or suggestion. | An idea or belief about something. |
| Example | She shared an idea for the new project during the meeting. | The notion of freedom varies greatly between cultures. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 2,000 (common) |
| CEFR level | - | B2 |
| Part of speech | noun | |
| Collocations | have an idea, share an idea, come up with an idea, suggest an idea, develop an idea | absurd, foolish, misguided, have, challenge, debunk, notion of |
| Antonyms | - | reality, fact |
| Common mistakes | Confusing 'idea' with 'ideal' (concept vs. perfect)., Using 'an idea' without explaining it clearly., Overusing the phrase in formal writing. | Confusing 'notion' with 'motion' (they sound similar)., Using 'notion' when 'fact' is intended., Overusing 'notion' in casual conversations. |
| Usage notes | Use 'an idea' when suggesting or discussing thoughts. It's informal enough for everyday conversation, but can also be used in presentations. | 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. |
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Frequently asked questions: An idea vs Notion
What's the difference between An idea and Notion?
An idea: A thought or suggestion. Notion: An idea or belief about something.
Which is more common: An idea and Notion?
An idea is the most common in everyday English.
Can you show an example of each?
An idea: She shared an idea for the new project during the meeting. Notion: The notion of freedom varies greatly between cultures.
Can I use An idea and Notion interchangeably?
Not always. An idea and Notion are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.