Cool MateDeadly vs Fatal
When to use each in English, with meaning, register, and examples.
Deadly
Top 2,000 (common)B2adjective
Fatal
Top 2,000 (common)C1adjective
| Deadly | Fatal | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ˈdedli/"]/🇺🇸 /["/ˈdedli/"]/ | 🇬🇧 /["/ˈfeɪtl/"]/🇺🇸 /["/ˈfeɪtl/"]/ |
| Meaning | causing or capable of causing death | causing death or serious injury |
| Example | The snake's venom is deadly and can cause severe symptoms within minutes. | The disease was fatal and claimed many lives before a cure was found. |
| Register | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 2,000 (common) |
| CEFR level | B2 | C1 |
| Part of speech | adjective | adjective |
| Collocations | deadly weapon, deadly poison, deadly disease, deadly force, deadly smile | be, prove, nearly, always, invariably, for, to, be, prove, absolutely, ultimately, to |
| Antonyms | harmless, safe, non-lethal | harmless, safe |
| Common mistakes | Confusing 'deadly' with 'deathly' which has a different meaning., Using 'deadly' when describing something non-lethal like a game or competition. | Confused with 'fetal', which relates to unborn babies., Misuse in non-life-threatening contexts, like 'fatal' for minor injuries. |
| 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 'fatal' when referring to something that can cause death or is very dangerous. Avoid using it in casual conversations unless it's serious. |
Frequently asked questions: Deadly vs Fatal
What's the difference between Deadly and Fatal?
Deadly: causing or capable of causing death Fatal: causing death or serious injury
Which is more advanced: Deadly and Fatal?
Fatal is the highest level, at C1, on the CEFR scale.
Are Deadly and Fatal the same CEFR level?
Deadly: B2, Fatal: C1 on the CEFR scale.
What part of speech are Deadly and Fatal?
Deadly: adjective, Fatal: adjective.
Can you show an example of each?
Deadly: The snake's venom is deadly and can cause severe symptoms within minutes. Fatal: The disease was fatal and claimed many lives before a cure was found.
Can I use Deadly and Fatal interchangeably?
Not always. Deadly and Fatal are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.