Definition

The amount of time that a living thing, like a person or an animal, is alive or that something lasts.

Example

The average lifespan of a dog is around 10 to 15 years.

Conversation

Did you know that some turtles can have a really long lifespan?

Yeah, I've heard they can live for over a hundred years!

It's fascinating how different species have such varying lifespans.

Absolutely! It makes you think about how we can take better care of them.

Synonyms & Antonyms

Root Explanation

Lifespan → It is formed from "life" (from Old English "līf", meaning existence or living) and "span" (from Old English "span", meaning to stretch or reach). The word "lifespan" refers to the duration of existence or the period during which a living being is alive.

Memory Tip

Think of the word 'life' representing existence and 'span' meaning to stretch out — together, they help you remember that 'lifespan' refers to the stretch of time that a living being exists.

Visually Confused Words