Definitions for illɪl

Random House Webster's College Dictionary

ill^*ɪl(adj.; n.; adv.)worse, worst

(adj.)of unsound physical or mental health; unwell; sick.
Category: Pathology
objectionable; faulty:
ill manners.
hostile; unkindly:
ill feeling.
evil; wicked:
of ill repute.
unfavorable; adverse:
ill fortune.
of inferior worth or ability.
(n.)an unfavorable opinion or statement:
I can speak no ill of her.
harm or injury:
His remarks did much ill.
trouble; misfortune:
Many ills befell him.
evil:
the difference between good and ill.
sickness; disease.
Category: Pathology
(adv.)unsatisfactorily; poorly:
It ill befits a man to betray old friends.
in a hostile or unfriendly manner.
unfavorably; unfortunately.
with displeasure or offense.
faultily; improperly.
with difficulty or inconvenience:
an expense we can ill afford.

Idioms for ill:

ill at ease,uncomfortable; uneasy.
Category: Idiom

^* Syn: 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 usu. 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.

Origin of ill:

1150–1200; < ON illr ill, bad

I'llaɪl

contraction of
I will.
Category: Usage Note

Ill.

Illinois.
Category: Geography (places)

ill.

illustrated.
illustration.
illustrator.

Princeton's WordNet

ailment, complaint, ill(adj)
an often persistent bodily disorder or disease; a cause for complaining
ill, sick(adj)
affected by an impairment of normal physical or mental function
"ill from the monotony of his suffering"
ill(adj)
resulting in suffering or adversity
"ill effects"; "it's an ill wind that blows no good"
ill(adj)
distressing
"ill manners"; "of ill repute"
ill(adj)
indicating hostility or enmity
"you certainly did me an ill turn"; "ill feelings"; "ill will"
ill, inauspicious, ominous(adverb)
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"
ill, badly, poorly(adverb)
(`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"
ill, badly(adverb)
unfavorably or with disapproval
"tried not to speak ill of the dead"; "thought badly of him for his lack of concern"
ill(adverb)
with difficulty or inconvenience; scarcely or hardly
"we can ill afford to buy a new car just now"

Kernerman English Learner's Dictionary

ill(adjective)ɪl
unhealthy or sick
too ill to go to work; seriously ill patients
illɪl
to become unwell
Joel was taken ill in the middle of the night.
illɪl
bad
ill health; the ill effects of drinking too much

Wiktionary

Ill(Contraction)
I will
Ill(Contraction)
I shall
ill(Noun)
Trouble; distress; misfortune; adversity.
Music won't solve all the world's ills, but it can make them easier to bear.
ill(Noun)
Harm or injury.
I wouldn't want you to do me ill.
ill(Noun)
Evil; moral wrongfulness.
Sociopaths do not seem to grasp the difference between good and ill.
ill(Noun)
A physical ailment; an illness.
I am incapacitated by rheumatism and other ills.
ill(Noun)
Unfavorable remarks or opinions.
Do not speak ill of the dead.
ill(Noun)
PCP, phencyclidine
ill(Adverb)
Not well; imperfectly, badly; hardly.
ill(Adjective)
Evil; wicked (of people).
ill(Adjective)
Morally reprehensible (of behaviour etc.); blameworthy.
ill(Adjective)
Indicative of unkind or malevolent intentions; harsh, cruel.
He suffered from ill treatment.
ill(Adjective)
Unwell in terms of health or physical condition; sick.
I've been ill with the flu for the past few days.
ill(Adjective)
Having an urge to vomit.
Seeing those pictures made me ill.
ill(Adjective)
Sublime, with the connotation of being so in a singularly creative way. [This sense sometimes declines in AAVE as ill, comparative iller, superlative illest.]
Biggie Smalls is the illest / Your style is played out, like Arnold wonderin "Whatchu talkin bout, Willis?" u2014 Biggie Smalls, The What, 1994.
ill(Adjective)
Extremely bad (bad enough to make one ill). Generally used indirectly with to be.
That band was ill.

Webster Dictionary

Ill(adj)
contrary to good, in a physical sense; contrary or opposed to advantage, happiness, etc.; bad; evil; unfortunate; disagreeable; unfavorable
Ill(adj)
contrary to good, in a moral sense; evil; wicked; wrong; iniquitious; naughtly; bad; improper
Ill(adj)
sick; indisposed; unwell; diseased; disordered; as, ill of a fever
Ill(adj)
not according with rule, fitness, or propriety; incorrect; rude; unpolished; inelegant
Ill(noun)
whatever annoys or impairs happiness, or prevents success; evil of any kind; misfortune; calamity; disease; pain; as, the ills of humanity
Ill(noun)
whatever is contrary to good, in a moral sense; wickedness; depravity; iniquity; wrong; evil
Ill(adverb)
in a ill manner; badly; weakly