Claim vs Thesis

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

 ClaimThesis
MeaningTo say that something is true or to assert something.A long paper that students write for their degree showing their research.
Register-formal
CEFR levelB1B2
Part of speechverbnoun
Usage notesUse 'claim' when stating something you believe is true. It's appropriate in discussions, debates, and legal contexts. Avoid in casual conversations where less assertive language is preferable.Used primarily in academic contexts when discussing research or formal arguments. Not appropriate in casual conversations.

Frequently asked questions: Claim vs Thesis

What's the difference between "Claim" and "Thesis"?

"Claim" means: To say that something is true or to assert something. "Thesis" means: A long paper that students write for their degree showing their research.

When should I use "Claim" and "Thesis"?

"Thesis" is formal.

Are "Claim" and "Thesis" the same CEFR level?

"Claim" is at B1, "Thesis" is at B2 on the CEFR scale.

Related comparisons