Adjective ill has 5 senses
- ill, sick - not in good physical or mental health; "ill from the monotony of his suffering"
Antonyms: well, all right, fine, asymptomatic, symptomless, cured, healed, recovered, good
- ill - resulting in suffering or adversity; "ill effects"; "it's an ill wind that blows no good"
Antonym: harmless (indirect, via harmful)
- ill - distressing; "ill manners"; "of ill repute"
Antonym: good (indirect, via bad)
- ill - indicating hostility or enmity; "you certainly did me an ill turn"; "ill feelings"; "ill will"
Antonym: amicable (indirect, via hostile)
- ill, inauspicious, ominous - presaging ill-fortune; "ill omens"; "ill predictions"; "my words with inauspicious thunderings shook heaven"- P.B.Shelley; "a dead and ominous silence prevailed"; "a by-election at a time highly unpropitious for the Government"
Antonym: propitious (indirect, via unpropitious)
,
Adverbial ill has 3 senses
- ill, badly, poorly - (`ill' is often used as a combining form) in a poor or improper or unsatisfactory manner; not well; "he was ill prepared"; "it ill befits a man to betray old friends"; "the car runs badly"; "he performed badly on the exam"; "the team played poorly"; "ill-fitting clothes"; "an ill-conceived plan"
Antonyms: well, good
- ill, badly - unfavorably or with disapproval; "tried not to speak ill of the dead"; "thought badly of him for his lack of concern"
Antonyms: well
- ill - with difficulty or inconvenience; scarcely or hardly; "we can ill afford to buy a new car just now"
,
Noun ill has 1 sense
- ailment, complaint, ill - an often persistent bodily disorder or disease; a cause for complaining
--1 is a kind of disorder, upset
--1 has particulars: pip; motion sickness, kinetosis
,