asymptomatic

American  

[ey-simp-tuh-mat-ik] / ˌeɪ sɪmp təˈmæt ɪk /

adjective

Pathology.

1. (of a disease or other medical condition) presenting no symptoms or evidence of illness or abnormality.

   Not only is hypertension one of the most serious chronic conditions, it is also classically asymptomatic.

2. (of a person with a disease or other medical condition) experiencing no symptoms or evidence of illness or abnormality.

   Asymptomatic parents are understandably distressed to learn they may have passed a debilitating affliction on to their children.

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asymptomatic British  

/ æˌsɪmptəˈmætɪk, eɪ- /

adjective

1. (of a disease or suspected disease) without symptoms; providing no subjective evidence of existence

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Other Word Forms

• asymptomatically adverb

Etymology

Origin of asymptomatic

First recorded in 1930–35; a- ⁶ + symptomatic

Example Sentences

Dr. Reisa Sperling is a neurology professor at Harvard Medical School who runs studies testing antiamyloid drugs in asymptomatic people with amyloid in their brain.

From The Wall Street Journal • Feb. 10, 2026

I’m completely asymptomatic and it’s not known if and/or when it will affect me.

From MarketWatch • Jan. 2, 2026

However, there was no policy in place requiring patients to be tested before admission, or for asymptomatic patients to isolate, until mid-April.

From BBC • Jul. 2, 2025

Among children younger than 6, about 70% of infections are asymptomatic.

From Los Angeles Times • May 5, 2025

Patient has asymptomatic neurosyphilis but cancelled syphilis treatments, said she felt fine.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot