What context can I use each word in?
Learn when and how to use these words with these examples!
lifespan
Example
The average lifespan of a cat is around 15 years. [lifespan: noun]
Example
The lifespan of this phone model is only two years before it becomes outdated. [lifespan: noun]
Example
The lifespan of this trend is likely to be short-lived. [lifespan: noun]
lifetime
Example
He dedicated his lifetime to helping others. [lifetime: noun]
Example
She has been a fan of this band her entire lifetime. [lifetime: noun]
Example
The lifetime of this warranty covers any defects for as long as you own the product. [lifetime: noun]
Good things to know
Which word is more common?
Lifetime is more commonly used than lifespan in everyday language. Lifetime is versatile and covers a wide range of contexts, while lifespan is less common and typically used in specific technical or scientific contexts.
What’s the difference in the tone of formality between lifespan and lifetime?
Lifespan is more formal than lifetime, as it is often used in technical or scientific contexts. However, both words can be used in various formality levels depending on the context.
