ill has definitions from the field of medicine
1
[ adjective ] (medicine) not in good physical or mental health

Synonyms

sick

Examples

"ill from the monotony of his suffering"

Used in print

(Jack Kaplan, "The Health Machine Menace: Therapy by...)

For several days , she was ill as a result of Lee 's treatment .

`` Unfortunately '' , says Chief_Postal_Inspector_David_H._Stephens , who has prosecuted many device quacks , `` the ghouls who trade on the hopes of the desperately ill often cannot be successfully prosecuted because the patients who are the chief witnesses die before the case is called_up in court '' .

2
[ adverb ] (`ill' is often used as a combining form) in a poor or improper or unsatisfactory manner; not well

Synonyms

poorly badly

Examples

"he was ill prepared" "the car runs badly" "he performed badly on the exam" "the team played poorly" "ill-fitting clothes" "an ill-conceived plan"

Used in print

(Schubert Ogden, Christ Without Myth....)

But , as Scripture everywhere reminds us , God does have need of his creatures , and the church , a_fortiori , can ill afford to do without the talents with which the world , by God 's providence , presents it .

(Jim Berry Pearson, The Maxwell Land Grant....)

The judge became ill just as the Colfax_District_Court convened , no substitute was brought_in , no criminal cases heard , only 5 out of 122 cases docketed were tried , and court adjourned sine_die after sitting a_few days instead_of the usual three weeks .

3
[ noun ] a state of adversity (danger or affliction or need)

Synonyms

trouble distress

Examples

"a ship in distress" "she was the classic maiden in distress"

Used in print

(Joyce O. Hertzler, American Social Institutions;...)

The belief in immortality , where held , functions as a redress for the ills and disappointments of the here_and_now .

4
[ adjective ] distressing

Examples

"ill manners" "of ill repute"

Used in print

(Joyce O. Hertzler, American Social Institutions;...)

it might be pointed_out that the integrating function of religion , for good or ill , has often supported or been identified with other groupings - political , nationality , language , class , racial , sociability , even economic .

Related terms

bad

5
[ adjective ] resulting in suffering or adversity

Examples

"ill effects" "it's an ill wind that blows no good"

Used in print

(Whit Masterson, Evil Come, Evil Go....)

Under the heading of_it 's an ill wind , et_cetera '' .

Related terms

harmful

6
[ adverb ] unfavorably or with disapproval

Synonyms

badly

Examples

"tried not to speak ill of the dead" "thought badly of him for his lack of concern"

Related terms

well unfavorable unfavorable

7
[ adverb ] with difficulty or inconvenience; scarcely or hardly

Examples

"we can ill afford to buy a new car just now"

8
[ adjective ] indicating hostility or enmity

Examples

"you certainly did me an ill turn" "ill feelings" "ill will"

Related terms

hostile

9
[ adjective ] presaging ill-fortune

Examples

"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"

Related terms

unpropitious

10
[ noun ] (medicine) an often persistent bodily disorder or disease; a cause for complaining

Synonyms

ailment complaint

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