Synonyms of illness in English:

illness


See definition of illness

noun

1‘he was making a steady recovery from his recent illness’

SYNONYMS
sickness, disease, ailment, disorder, complaint, malady, affliction, attack, infection, contagion, disability, indisposition
ill health, poor health, infirmity, valetudinarianism
informal bug, virus
British informal lurgy
Australian informal wog
ANTONYMS

good health