Ambiguous vs Vague

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

 AmbiguousVague
MeaningSomething that can be understood in different ways.Not clear or specific.
CEFR levelB1C1
Part of speechadjective
Usage notesUsed in discussions about language or situations where meanings are unclear. Avoid in formal writing when clarity is needed.Use 'vague' to describe unclear or imprecise ideas, statements, or expressions. Avoid in formal writing when clarity is required.

Frequently asked questions: Ambiguous vs Vague

What's the difference between "Ambiguous" and "Vague"?

"Ambiguous" means: Something that can be understood in different ways. "Vague" means: Not clear or specific.

When should I use "Ambiguous" and "Vague"?

They can all be used in everyday English.

Are "Ambiguous" and "Vague" the same CEFR level?

"Ambiguous" is at B1, "Vague" is at C1 on the CEFR scale.