ILL: Synonyms and Related Words. What is Another Word for ILL?
The synonyms and related words of “Ill” are: sick, inauspicious, ominous, unwell, not well, not very well, ailing, poorly, sickly, peaky, afflicted, indisposed, infirm, liverish, bad, poor, unsatisfactory, incompetent, unacceptable, inadequate, deficient, defective, faulty, unskilful, inexpert, amateurish, harmful, damaging, detrimental, deleterious, adverse, injurious, hurtful, destructive, pernicious, inimical, dangerous, ruinous, calamitous, disastrous and 84 more.