Ill vs. Sick

Difference Between Ill and Sick
Illadjective
(obsolete) Evil; wicked (of people).
Sickadjective
Having an urge to vomit.
Illadjective
(archaic) Morally reprehensible (of behaviour etc.); blameworthy.
Sickadjective
In poor health.
She was sick all day with the flu.Illadjective
Indicative of unkind or malevolent intentions; harsh, cruel.
He suffered from ill treatment.Sickadjective
(colloquial) Mentally unstable, disturbed.
Illadjective
Unpropitious, unkind, faulty, not up to reasonable standard.
ill manners; ill willSickadjective
(colloquial) In bad taste.
That's a sick joke.Illadjective
Unwell in terms of health or physical condition; sick.
I've been ill with the flu for the past few days.Sickadjective
Tired of or annoyed by something.
I've heard that song on the radio so many times that I'm starting to get sick of it.Illadjective
Having an urge to vomit.
Seeing those pictures made me ill.Sickadjective
(slang) Very good, excellent, awesome, badass.
This tune is sick.Dude, this car's got a sick subwoofer!Illadjective
(hip-hop slang) Sublime, with the connotation of being so in a singularly creative way.
Sickadjective
In poor condition.
sick building syndrome; my car is looking pretty sick; my job prospects are pretty sickIlladjective
(slang) Extremely bad (bad enough to make one ill). Generally used indirectly with to be.
That band was ill.Sickadjective
(agriculture) Failing to sustain adequate harvests of crop, usually specified.
Illadjective
(dated) Unwise; not a good idea.
Sicknoun
Sick people in general as a group.
We have to cure the sick.Illadverb
Not well; imperfectly, badly; hardly.
Sicknoun
vomit.
He lay there in a pool of his own sick.Illnoun
(often pluralized) Trouble; distress; misfortune; adversity.
Music won't solve all the world's ills, but it can make them easier to bear.Sickverb
To vomit.
I woke up at 4 am and sicked on the floor.Illnoun
Harm or injury.
I wouldn't want you to do me ill.Sickverb
To fall sick; to sicken.
Illnoun
Evil; moral wrongfulness.
Sicknoun
people who are sick;
they devote their lives to caring for the sickIllnoun
A physical ailment; an illness.
I am incapacitated by rheumatism and other ills.Sickverb
eject the contents of the stomach through the mouth;
After drinking too much, the students vomitedHe purged continuouslyThe patient regurgitated the food we gave him last nightIllnoun
PCP, phencyclidine.
Sickadjective
not in good physical or mental health;
ill from the monotony of his sufferingIllnoun
an often persistent bodily disorder or disease; a cause for complaining
Sickadjective
feeling nausea; feeling about to vomit
Illadjective
not in good physical or mental health;
ill from the monotony of his sufferingSickadjective
affected with madness or insanity;
a man who had gone madIlladjective
resulting in suffering or adversity;
ill effectsit's an ill wind that blows no goodSickadjective
having a strong distaste from surfeit;
grew more and more disgustedfed up with their complaintssick of it allsick to death of flatterygossip that makes one sicktired of the noise and smokeIlladjective
distressing;
ill mannersof ill reputeIlladjective
indicating hostility or enmity;
you certainly did me an ill turnill feelingsill willIlladjective
presaging ill-fortune;
ill omensill predictionsmy words with inauspicious thunderings shook heavena dead and ominous silence prevaileda by-election at a time highly unpropitious for the GovernmentIlladverb
(`ill' is often used as a combining form) in a poor or improper or unsatisfactory manner; not well;
he was ill preparedit ill befits a man to betray old friendsthe car runs badlyhe performed badly on the examthe team played poorlyill-fitting clothesan ill-conceived planIlladverb
unfavorably or with disapproval;
tried not to speak ill of the deadthought badly of him for his lack of concernIlladverb
with difficulty or inconvenience; scarcely or hardly;
we can ill afford to buy a new car just now