Synonym: ailing, bad, below par, evil, indisposed, out of sorts, rocky, sick, unwell, wrong. Antonym: good, healthy, well. Similar words: will, kill, pill, bill, silly, spill, drill, chill. Meaning: [ɪl] 
n. an often persistent bodily disorder or disease; a cause for complaining. adj. 1. affected by an impairment of normal physical or mental function 2. resulting in suffering or adversity 3. distressing 4. indicating hostility or enmity 5. presaging ill fortune. adv. 1. (`ill' is often used as a combining form) in a poor or improper or unsatisfactory manner; not well 2. unfavorably or with disapproval 3. with difficulty or inconvenience; scarcely or hardly.
n. an often persistent bodily disorder or disease; a cause for complaining. adj. 1. affected by an impairment of normal physical or mental function 2. resulting in suffering or adversity 3. distressing 4. indicating hostility or enmity 5. presaging ill fortune. adv. 1. (`ill' is often used as a combining form) in a poor or improper or unsatisfactory manner; not well 2. unfavorably or with disapproval 3. with difficulty or inconvenience; scarcely or hardly. 
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61, Ill news flies fast.
62, She is very ill, but she still keeps about.
63, I felt ill so I went home.
64, Mr.Jones is very ill and needs an operation.
65, Her father is seriously ill in St Luke's hospital.
66, He was too ill to eat.
67, He became very ill and then he died.
68, I can't eat bananas. They make me ill.
69, He was bluffed into supposing I was ill prepared.
70, I was ill, and therefore could not come.
71, Intensive care is given to the seriously ill.
72, She is very ill, but she still keeps around.
73, If she gets ill again it could prove fatal.
74, Fish is easy to digest when you're ill.
75, Although he was ill, he went to work.
76, She was doomed to unemployment by her ill health.
77, Most of them were chronically ill.
78, And is he really ill or just malingering?
79, Uncle Harry is terminally ill with cancer .
80, He was too ill to eat much.
81, We were exasperated at his ill behaviour.
82, Doctors used to bleed people when they were ill.
83, Now she looks pale as if she were ill.
84, She was ill yesterday, but she's more herself today.sentencedict.com
85, She can't go to school because she is ill.
86, He fell ill and died soon after.
87, We've had a message that your father is ill.
88, My grandmother has been ill for a week.
89, When I was ill I completely lost my appetite.
90, Body temperature can fluctuate if you are ill.