Belief vs Notion

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

Belief

Top 1,000 (very common)B1noun

Notion

Top 2,000 (common)B2noun
Most common: Belief
 BeliefNotion
Pronunciation🇬🇧 /["/bɪˈliːf/"]/🇺🇸 /["/bɪˈliːf/"]/🇬🇧 /["/ˈnəʊʃn/"]/🇺🇸 /["/ˈnəʊʃn/"]/
MeaningSomething you think is true.An idea or belief about something.
ExampleHer belief in the power of education changed her life.The notion of freedom varies greatly between cultures.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelB1B2
Part of speechnounnoun
Collocationsabsolute, deep-seated, deeply held, set, system, espouse, have, hold, persist, system, beyond belief, in the belief that, belief about, contrary to popular belief, absolute, deep-seated, deeply held, set, system, espouse, have, hold, persist, system, beyond belief, in the belief that, belief about, contrary to popular belief, absolute, deep-seated, deeply held, set, system, espouse, have, hold, persist, system, beyond belief, in the belief that, belief about, contrary to popular beliefabsurd, foolish, misguided, have, challenge, debunk, notion of
Antonymsdisbelief, skepticismreality, fact
Common mistakesConfusing 'belief' with 'believe' (the verb form)., Using 'beliefs' inappropriately when referring to a single idea., Misplacing the preposition (should be 'belief in' or 'belief on').Confusing 'notion' with 'motion' (they sound similar)., Using 'notion' when 'fact' is intended., Overusing 'notion' in casual conversations.
Usage notesUse 'belief' in discussions about opinions, faith, and confidence. It's appropriate in academic, personal, and religious contexts but may be too strong for casual discussions.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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Belief

Frequently asked questions: Belief vs Notion

What's the difference between Belief and Notion?

Belief: Something you think is true. Notion: An idea or belief about something.

Which is more common: Belief and Notion?

Belief is the most common in everyday English.

Which is more advanced: Belief and Notion?

Notion is the highest level, at B2, on the CEFR scale.

Are Belief and Notion the same CEFR level?

Belief: B1, Notion: B2 on the CEFR scale.

What part of speech are Belief and Notion?

Belief: noun, Notion: noun.

Can you show an example of each?

Belief: Her belief in the power of education changed her life. Notion: The notion of freedom varies greatly between cultures.

Can I use Belief and Notion interchangeably?

Not always. Belief 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.

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