symptomless

/ˈsɪmptəmləs/
adjective
  1. Having no symptoms; not showing any signs of a disease or condition.
    • Many people with the infection are symptomless and don't know they have it.
    • Symptomless carriers can still spread the illness to others.
    • The tree appeared healthy and symptomless, but it was infected with a fungus.
Antonyms
What does "symptomless" mean? | whatsthatwordmean | whatsthatwordmean