Cool MateDuration vs Lifetime
When to use each in English, with meaning, register, and examples.
| Duration | Lifetime | |
|---|---|---|
| Meaning | The length of time something lasts. | The length of time someone lives or something lasts. |
| CEFR level | B2 | B2 |
| Part of speech | noun | noun |
| Usage notes | Commonly used in both formal and informal contexts. Refers to time periods, such as how long a movie is or how long an event lasts. Avoid using it in very casual conversations. | Use 'lifetime' to describe the duration of a person's life, a period of existence, or the duration of an object or concept. It's suitable for both spoken and written English. Avoid using 'lifetime' in very casual conversations where simpler terms like 'time' or 'years' may suffice. |
Frequently asked questions: Duration vs Lifetime
What's the difference between "Duration" and "Lifetime"?
"Duration" means: The length of time something lasts. "Lifetime" means: The length of time someone lives or something lasts.
When should I use "Duration" and "Lifetime"?
They can all be used in everyday English.
Are "Duration" and "Lifetime" the same CEFR level?
"Duration" is at B2, "Lifetime" is at B2 on the CEFR scale.