Synonyms of ailing

1 Syllable
ill, sick, down, weak
2 Syllables
bilious, unhealth, seedy, sicker, sickest, feeblest, unwell, laid-up, laid-low, sickish, morbid, weakly, peaky, feebler, wasting, illness, rocky, feeble, seedier, strengthless, sickly, unsound, poorly, peaked, infirm
3 Syllables
unwellness, anguished, diseased, unsoundness, sickliness, illnesses, unbacked, bedridden, puniness, weakliness, unhealthy, enfeebled, anile
4 Syllables
diseasedness, unhealthiness, infirmity, infirmities, miserable, indisposed
5 Syllables
hospitalized, debilitated
6 Syllables
insubstantiality, unsubstantiality