Considerable vs Significant

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

	Considerable	Significant
Meaning	A lot; significant in amount or degree.	Important or meaning a lot.
CEFR level	B2	B2
Part of speech	adjective	adjective
Usage notes	Use 'considerable' when discussing something important or substantial. It's appropriate in both written and spoken language, but avoid using it in very casual contexts.	Used in academic and formal contexts to indicate importance. Avoid in very casual conversations; instead, use simpler words like 'big' or 'important'.

Frequently asked questions: Considerable vs Significant

What's the difference between "Considerable" and "Significant"?

"Considerable" means: A lot; significant in amount or degree. "Significant" means: Important or meaning a lot.

When should I use "Considerable" and "Significant"?

They can all be used in everyday English.

Are "Considerable" and "Significant" the same CEFR level?

"Considerable" is at B2, "Significant" is at B2 on the CEFR scale.