fertility

noun

fer·​til·​i·​ty (ˌ)fər-ˈti-lə-tē 

1

: the quality or state of being fertile

2

: the birth rate of a population

Examples of fertility in a Sentence

She studied the effects of pollution on the fertility of the local fish population.

The doctor ordered a test of his fertility.

The area is known for its soil fertility.

the fertility of his imagination

Recent Examples on the Web

But the odds of conceiving identical triplets without fertility treatments are more like one in 1,000,000. —Hannah Sacks, PEOPLE, 30 Apr. 2026

Meanwhile, Switzerland has a relatively weak fertility rate, with natural growth (births minus deaths) at around 6,000 in 2024. —Miranda Jeyaretnam, Time, 30 Apr. 2026

Another found that women who remained childless after a fertility evaluation had more than a twofold higher risk of dying by suicide than those who eventually did have a child. —Literary Hub, 29 Apr. 2026

The odds of conceiving identical triplets without fertility treatment are closer to 1 in 1,000,000. —Ryan Brennan april 29, Fort Worth Star-Telegram, 29 Apr. 2026

Word History

First Known Use

15th century, in the meaning defined at sense 1

Rhymes for fertility

• ability
• agility
• civility
• debility
• docility
• ductility
• facility
• fragility
• futility
• gentility
• hostility
• humility

Medical Definition

fertility

noun

fer·​til·​i·​ty (ˌ)fər-ˈtil-ət-ē 

plural fertilities

1

: the quality or state of being fertile

2

: the birth rate of a population