asymptomatic

What it means

1. not comparablemedicineNot exhibiting any symptoms of disease, as for example in a case which is subclinical (“without signs detectable by physical examination or laboratory test”).

   French woman taken to Paris in serious condition while American flown to Nebraska is asymptomatic, say officials[.]

   2026 May 11, Angelique Chrisafis, “Evacuated US and French MV Hondius passengers test positive for hantavirus”, in The Guardian, →ISSN

   Synonyms: nonsymptomatic, symptomless, subpatent · Antonyms: symptomatic

In a sentence

French woman taken to Paris in serious condition while American flown to Nebraska is asymptomatic, say officials[.]

2026 May 11, Angelique Chrisafis, “Evacuated US and French MV Hondius passengers test positive for hantavirus”, in The Guardian, →ISSN

Where it comes from

PIE word *ḱóm The adjective is derived from a- (prefix meaning ‘not’) + symptomatic. The noun is derived from the adjective.