Synonyms for Ill:
adj.
•ailing (adjective)sickly, sick.
•all (adjective)
sick.
•bad (adjective)
unfavorable, injurious, unkind, wicked, noxious.
•baneful (adjective)
poisonous, calamitous, baneful, evil, cursed, contagious, cancerous, infectious.
•bedridden (adjective)
laid up, disabled.
•diseased (adjective)
disabled, sick, affected, infected, sickly, infirm, decrepit, ailing, nauseous, unhealthy, cursed, indisposed, Inflicted, diseased, pestilent, handicapped.
•ill (adjective)
indisposed, infirm, hostile, peaked, unpropitious, woozy, inauspicious, ailing, afflicted, poorly, injurious, harmful, unfavorable, wicked, noxious, diseased, down, ruinous, ominous, deleterious, unhealthy, unwell, laid low, detrimental, queasy, under the weather, hurtful, unkind.
adv.
•all (adverb)poorly, badly.
n.
low-grade, second-rate, pitiful, terrible, disgraceful, embarrassing. ruinous, hazardous, wicked, unsafe, risky, perilous, disastrous. disturbance, hurt, disturb, be unfavorable to, trials and tribulations, difficulty, nuisance, issue, baggage, burden, problem. •bane (noun)curse, infection, plague, bane, doom, contagion, misfortune, poison, affliction, scourge, calamity, cancer, evil.
•catastrophe (noun)
havoc, calamity, misfortune, scourge, devastation.
•complaint (noun)
upset.
•condition (noun)
problem.
Other synonyms:
fragile, mischievous, injurious, unfavorable, deleterious, detrimental. hurtful, failing. terrible. down. •faint
faint.