Lifetime
UK /["/ˈlaɪftaɪm/"]/US /["/ˈlaɪftaɪm/"]/
Definition
the length of time that somebody lives or that something lasts
In simple words: The length of time someone lives or something lasts.
Examples
- She has dedicated her lifetime to studying rare plants.
- The company offers a lifetime warranty on all their products.
- During his lifetime, he published over fifty books.
- The lifetime of a typical smartphone battery is about two years.
- He received a lifetime achievement award for his contributions to science.
- They made a lifetime commitment to each other.
- This museum pass grants you lifetime access to all exhibits.
- Some plants have a very short lifetime, lasting only a few days.
Usage notes
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.
Grammar pattern
standalone noun
Memory hint
Think of 'life' and 'time' together — your life lasts for a certain time.
Collocations
- long
- short
- entire
- devote
- spend
- take (somebody)
- achievement
- appointment
- employment
- after a lifetime
- during somebody’s lifetime
- in your lifetime
- the habits of a lifetime
- a legend in your own lifetime
- half a lifetime
Synonyms
- existence
- lifetime span
- duration
- time frame
Antonyms
- short-lived
- temporary
- ephemeral
Common mistakes
- Confused with 'life span' — 'lifetime' refers to the duration more broadly.
- Using 'lifetime' to describe specific events instead of overall duration.
- Incorrectly pluralizing to 'lifetime's'.