Adoption vs Assumption

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

 AdoptionAssumption
MeaningThe act of taking something as your own, especially a child.Something you think is true without proof.
CEFR levelC1B2
Part of speechnounnoun
Usage notesUse 'adoption' in formal and neutral contexts, such as legal discussions or when speaking about families. Avoid in slang and informal speech.Use 'assumption' when discussing beliefs or ideas that are taken for granted. It is appropriate in both written and spoken contexts, especially in discussions related to reasoning or theories. Avoid using it in very casual conversations.

Frequently asked questions: Adoption vs Assumption

What's the difference between "Adoption" and "Assumption"?

"Adoption" means: The act of taking something as your own, especially a child. "Assumption" means: Something you think is true without proof.

When should I use "Adoption" and "Assumption"?

They can all be used in everyday English.

Are "Adoption" and "Assumption" the same CEFR level?

"Adoption" is at C1, "Assumption" is at B2 on the CEFR scale.

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