Thesaurus.com
Dictionary.com
Definitions

life span

NOUN
the extent of a being's life
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

If a disease is particularly rare or has a short life span, there isn’t much ‘water’ going into the tub, and there is a big drain on the other side.

From Barron's • Mar. 12, 2026

Technological advances may turn back aging, extending the average life span by at least a decade.

From The Wall Street Journal • Oct. 3, 2025

The Mediterranean island, they thought, offered ideal conditions for studying the genes and habits that can influence life span: Its population is relatively isolated, with low rates of immigration and little genetic diversity.

From Science Magazine • Nov. 20, 2024

The females behave more like males, but this also reduces their life span and reproductive output.

From Salon • Oct. 23, 2024

More important, he didn’t need the pockets anymore to protect the magical piece of firewood that controlled his life span.

From "The House of Hades" by Rick Riordan