Synonyms of senescence

senescence

noun

as in senility

technical + formal the state of being old or the process of becoming old

premature senescence

Related Words

• senility
• age
• dotage
• maturity
• anecdotage
• second childhood
• anility
• agedness
• ancientness
• caducity
• elderliness
• feebleness
• infirmity
• senectitude
• venerableness

Dissimilar Words

• freshness
• youthfulness
• adolescence
• prime
• minority
• immaturity
• youth
• juvenility
• nonage
• youngness

Example Sentences

Recent Examples of senescence

Ghost had laid eggs and entered the final stage of her life cycle, called senescence, back in September and died a natural death on Tuesday, aquarium staff said. — Julie Sharp, CBS News, 25 Mar. 2026

Sinclair’s work on senescence intersects with new therapeutic directions in oncology, from CAR-T failures linked to T-cell exhaustion to the growing interest in senolytic adjuvants. — Gilberto Lopes, STAT, 12 Feb. 2026

Further experiments revealed that the extracellular vesicles stopped senescence by using the extracellular matrix protein fibronectin, which coats their surfaces and then causes a release of enzymes that block the effects of oxidative stress which unleash senescence. — New Atlas, 4 Jan. 2026

Or, the first generation simply declined from senescence and the debilitating effects of power long exercised without check. — Eliot A. Cohen, The Atlantic, 4 Jan. 2026

Podcast

Get Word of the Day delivered to your inbox!