Synonyms of sickliness

1 Syllable
fault, flu
2 Syllables
frailty, unhealth, ailing, failing, decay, ailment, defect
3 Syllables
unwellness, affliction, malady, unsoundness, pathosis, infirmness, disease, shortcoming, puniness, weakliness, feebleness, malaise, disorder
4 Syllables
diseasedness, imperfection, unhealthiness, debility, debilities, infirmity, effeteness, infirmities, confinement, deficiency
5 Syllables
debilitation, decrepitude, indisposition
6 Syllables
vulnerability, insubstantiality, unsubstantiality