type, emblem, litmus test, dehydration, crisis, chill, prognostic, aetiology, discharge, note, mark, trait, hallucination, token, pathology, promise, etiology, perforation, signal, symbol, preview, tip-off
disease (part of speech: noun)
disease, ague, feverishness, complication, condition, sickness, malaise, infirmity, spasm, affection, virus, apoplexy, complaint, sickliness, breakdown, syndrome, bug, handicap, pestilence, ailment, illness, attack, malady, curse, unhealthiness, disability, disorder, debility, queasiness, decrepitude, infliction, collapse, indisposition, nausea, infection, fever
omen (part of speech: noun)
manifestation (part of speech: noun)
evidence, incarnation, demonstration, proof, revelation, manifestation, embodiment, expression, staging, discernibility, exhibition, materialization, showing, display, presentation, unfolding, disclosure, appearance, exposure
- I was as full of life, and, when occasion offered, as reckless, as ever, though a strange symptom began to make itself unpleasantly felt. - "The Complete Historical Romances of Georg Ebers", Georg Ebers.
- In her secret heart, Mrs. Adams regarded this as an ominous symptom, and felt an ever- increasing anxiety lest he should never reach home alive. - "Half a Dozen Girls", Anna Chapin Ray.
- He betrayed but one symptom, before he breathed his last, of being delirious, which was this: he was all on a sudden much frightened, and complained that he was carried away by forty men. - "The Best of the World's Classics, Restricted to prose. Volume II (of X) - Rome", Various.