Cool MateDeadly vs Lethal
When to use each in English, with meaning, register, and examples.
| Deadly | Lethal | |
|---|---|---|
| Meaning | causing or capable of causing death | Something that can cause death. |
| CEFR level | B2 | C1 |
| Part of speech | adjective | adjective |
| Usage notes | Use 'deadly' to describe things that can kill, like diseases or poisons. Avoid using it casually; it sounds serious and should not be used for light situations. | Use 'lethal' to describe something that can kill, like a weapon or poison. Avoid using it in casual conversations unless discussing serious topics. |
Frequently asked questions: Deadly vs Lethal
What's the difference between "Deadly" and "Lethal"?
"Deadly" means: causing or capable of causing death "Lethal" means: Something that can cause death.
When should I use "Deadly" and "Lethal"?
They can all be used in everyday English.
Are "Deadly" and "Lethal" the same CEFR level?
"Deadly" is at B2, "Lethal" is at C1 on the CEFR scale.