Synonyms of ill

1 Syllable

down, harm, harms, sick

2 Syllables

sicker, mischief, sickness, peaky, poorly, peaked, queasy, prankster, infirm, drawback, bilious, ailing, meltdowns, rotten, woozy, worse, boo-boo, run-down, sickest, laid-up, weakly, pranksters, upset, unsound, bummed, evils, booboo, unwell, qualmy, meltdown, seasick, nauseous, dickens

3 Syllables

sicknesses, devilment, mischievous, unbacked, rascally, prankishness, impishness, roguery, roguishness, waggery, waywardness, unhealthy, afflicted, anguished, diseased, injuries, oppugnant, bedridden, anile, injury

4 Syllables

ill-behaved, mischievousness, unpropitious, rascality, indisposed, catastrophe, detrimental, deformations, deformation, ill-disposed, perniciousness, banefulness, mutilations, mutilation, inimical, miserable

5 Syllables

maleficence, unfavorable, hospitalized, deleteriousness