Adverse vs Hostile

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

 AdverseHostile
MeaningSomething that is harmful or unlucky.Unfriendly or angry.
Registerformal-
CEFR levelC1C1
Part of speechadjectiveadjective
Usage notesOften used in formal contexts, such as reports or analyses. Not typically used in casual conversation. It's important to be clear that 'adverse' indicates a negative outcome.Use 'hostile' to describe people, environments, or situations that are aggressive or unwelcoming. It's more formal than casual terms like 'mean' or 'nasty'. Avoid using it for mild annoyances.

Frequently asked questions: Adverse vs Hostile

What's the difference between "Adverse" and "Hostile"?

"Adverse" means: Something that is harmful or unlucky. "Hostile" means: Unfriendly or angry.

When should I use "Adverse" and "Hostile"?

"Adverse" is formal.

Are "Adverse" and "Hostile" the same CEFR level?

"Adverse" is at C1, "Hostile" is at C1 on the CEFR scale.

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