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ill

[il] /ɪl/
adjective, worse, worst.
1.
of unsound physical or mental health; unwell; sick:
She felt ill, so her teacher sent her to the nurse.
2.
objectionable; unsatisfactory; poor; faulty:
ill manners.
3.
hostile; unkindly:
ill feeling.
4.
evil; wicked; bad:
of ill repute.
5.
unfavorable; adverse:
ill fortune.
6.
of inferior worth or ability; unskillful; inexpert:
an ill example of scholarship.
noun
7.
an unfavorable opinion or statement:
I can speak no ill of her.
8.
harm or injury:
His remarks did much ill.
9.
trouble, distress, or misfortune:
Many ills befell him.
10.
evil:
to know the difference between good and ill.
11.
sickness or disease.
adverb
12.
in an ill manner.
13.
unsatisfactorily; poorly:
It ill befits a man to betray old friends.
14.
in a hostile or unfriendly manner.
15.
unfavorably; unfortunately.
16.
with displeasure or offense.
17.
faultily; improperly.
18.
with difficulty or inconvenience; scarcely:
Buying a new car is an expense we can ill afford.
Idioms
19.
ill at ease, socially uncomfortable; nervous:
They were ill at ease because they didn't speak the language.
Origin
1150-1200
1150-1200; Middle English ill(e) (noun and adj.) < Old Norse illr (adj.) ill, bad
Can be confused
ill, sick (see synonym study at the current entry)
Synonyms
1. unhealthy, ailing, diseased, afflicted. Ill, sick mean being in bad health, not being well. Ill is the more formal word. In the U.S. the two words are used practically interchangeably except that sick is always used when the word modifies the following noun: He looks sick (ill ); a sick person. In England, sick is not interchangeable with ill, but usually has the connotation of nauseous: She got sick and threw up. sick, however, is used before nouns just as in the U.S.: a sick man. 4. wrong, iniquitous. See bad1 . 8. hurt, pain, affliction, misery. 9. calamity. 10. depravity. 11. illness, affliction. 13. badly.
Antonyms
1. well, healthy. 4. good.
Grammar note
See well1.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for ill ease

ill

/ɪl/
adjective worse, worst
1.
(usually postpositive) not in good health; sick
2.
characterized by or intending evil, harm, etc; hostile ill deeds
3.
causing or resulting in pain, harm, adversity, etc ill effects
4.
ascribing or imputing evil to something referred to ill repute
5.
promising an unfavourable outcome; unpropitious an ill omen
6.
harsh; lacking kindness ill will
7.
not up to an acceptable standard; faulty ill manners
8.
ill at ease, unable to relax; uncomfortable
noun
9.
evil or harm to wish a person ill
10.
a mild disease
11.
misfortune; trouble
adverb
12.
badly the title ill befits him
13.
with difficulty; hardly he can ill afford the money
14.
not rightly she ill deserves such good fortune
Word Origin
C11 (in the sense: evil): from Old Norse illr bad
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for ill ease
ill
c.1200, "morally evil" (other 13c. senses were "malevolent, hurtful, unfortunate, difficult"), from O.N. illr "ill, bad," of unknown origin. Not related to evil. Main modern sense of "sick, unhealthy, unwell" is first recorded c.1460, probably related to O.N. idiom "it is bad to me." Illness "disease, sickness" is from 1689. Slang sense of "very good, cool" is 1980s.
Online Etymology Dictionary, © 2010 Douglas Harper
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ill ease in Medicine

ill (ĭl)
adj. worse (wûrs), worst (wûrst)

  1. Not healthy; sick.

  2. Not normal, as a condition; unsound.

n.
A disease or illness, especially of animals.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Slang definitions & phrases for ill ease

ill

adjective
  1. Arrested or detained on suspicion; jailed (1960s+ Underworld)
  2. Very good; excellent; cool: Ill: very good or bad (1980s+ Black teenagers)
  3. Very bad: Ill: very good or bad (1980s+ Black teenagers)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Idioms and Phrases with ill ease
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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