aging

[ey-jing] / ˈeɪ dʒɪŋ /

NOUN

becoming older

Synonyms

STRONG

crumbling declining developing fading fermenting maturing mellowing slumping stale waning

WEAK

getting along getting on senescent wearing out

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.

Researchers must typically wait 18 to 24 months before mice reach an age suitable for aging research.

From Science Daily • May 31, 2026

Plus, Bill Gates’s carefully crafted image is cracking, and we look at the realities of aging alone.

From The Wall Street Journal • May 31, 2026

The work addressed leaks, aging infrastructure and other maintenance issues at the historic site.

From Salon • May 31, 2026

Understanding how aging affects cancer could lead to more effective treatments for older adults.

From Science Daily • May 31, 2026

The best Chiron could figure, she had kept aging while in tree form, but much more slowly.

From "The Titan's Curse" by Rick Riordan