symptomless

[ simp-tuhm-lis ]

adjective

1. having or showing no symptoms.

Word History and Origins

Origin of symptomless¹

First recorded in 1885–90; symptom + -less

Example Sentences

EBV -- a usually inactive, or latent, herpesvirus -- affects most of the human population; more than 90% of people carry the virus as a passive, typically symptomless infection.

From Science Daily

The H5N1 avian flu virus has devastated bird populations, and routine testing of farmworkers has found the first, symptomless, cases in people in the UK.

From BBC

"At any point she could have had a CT scan and it might have been picked up and repaired, but they're symptomless, so there's no way of knowing it was there," said Mrs Taylor.

From BBC

“I really encourage everyone to have a blood pressure cuff in their house, even a young person” because high blood pressure can be symptomless, McCullough says.

From Washington Post

As with COVID, many get a mild respiratory disease that they do not recognize as flu or they get a symptomless flu.

From Seattle Times