• WordNet 3.6
    • v ail cause bodily suffering to and make sick or indisposed
    • v ail be ill or unwell
    • n ail aromatic bulb used as seasoning
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Webster's Revised Unabridged Dictionary
    • n Ail Indisposition or morbid affection.
    • v. t Ail āl To affect with pain or uneasiness, either physical or mental; to trouble; to be the matter with; -- used to express some uneasiness or affection, whose cause is unknown; as, what ails the man? I know not what ails him.☞ It is never used to express a specific disease. We do not say, a fever ails him; but, something ails him. "What aileth thee, Hagar?"
    • v. i Ail To be affected with pain or uneasiness of any sort; to be ill or indisposed or in trouble. "When he ails ever so little . . . he is so peevish."
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Century Dictionary and Cyclopedia
    • ail Painful; troublesome.
    • ail To affect with pain or uneasiness, either of body or of mind; trouble: used in relation to some uneasiness or affection whose cause is unknown: as, what ails the man?
    • ail To feel pain; be ill (usually in a slight degree); be unwell: now used chiefly in the present participle: as, he is ailing to-day.
    • n ail Indisposition or morbid affection; ailment.
    • n ail The beard of wheat, barley, etc., especially of barley: chiefly in the plural.
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Chambers's Twentieth Century Dictionary
    • v.i Ail āl to feel pain: to be in trouble
    • v.t Ail to trouble, afflict—obs. except in impers. phrase 'What ails you?'—n. trouble: indisposition
    • ***


  • Eric Hoffer
    “We all have private ails. The troublemakers are they who need public cures for their private ails.”


Webster's Revised Unabridged Dictionary
OE. eilen, ailen, AS. eglan, to trouble, pain; akin to Goth. us-agljan, to distress, agls, troublesome, irksome, aglo, aglitha, pain, and prob. to E. awe,. √3


In literature:

What ails you to-night, Hamish?
"Shenac's Work at Home" by Margaret Murray Robertson
Reckon dat what ails her.
"Slave Narratives Vol. XIV. South Carolina, Part 2" by Works Projects Administration
All that was necessary was to make something ail the horse.
"Frank Merriwell's Races" by Burt L. Standish
What on earth ails you?
"The Works of Guy de Maupassant, Volume VIII." by Guy de Maupassant
The veins of her body were full of caprice, that's what ailed her, and for that is there any remede?
"Gilian The Dreamer" by Neil Munro
Mr. Gaythorne was an ailing man, and needed medical care.
"Doctor Luttrell's First Patient" by Rosa Nouchette Carey
What ails you an' Mark Tapkins?
"Janet of the Dunes" by Harriet T. Comstock
What could ail him at Mr Ross's offer?
"Janet's Love and Service" by Margaret M Robertson
As he did so, he recalled the fact that his father had been ailing when he went away in the Sea Foam.
"The Yacht Club" by Oliver Optic
You poor fools, what ails you?
""Where Angels Fear to Tread" and Other Stories of the Sea" by Morgan Robertson

In poetry:

It ails me not at your ballad gay,
So kind:
It ails me not for the wine and whey,
So kind:
"Two Folk Songs" by Sir Arthur Quiller-Couch
Maiden worn with hidden ail,
Restless and unsure,
Taught he that the Holy Grail
Was the only cure.
"The Sangreal" by George MacDonald
Thrashin' through the Forties
In the sleet and 'ail,
Runnin' down the Eastin'
Under all plain sail.
"What The Old Man Said" by Cicely Fox Smith
Not a child? alack the year!
What should ail an undefiled
Heart, that he would fain appear
Not a child?
"Not A Child" by Algernon Charles Swinburne
The illimitable hollow, sad,
Blue space of heaven august,
Stooping in awful sympathy
Over this ail of dust.
"Immortal Eve - IV" by Manmohan Ghose
Thou mirror of uprightness,
What ails thee at thy vows?
What means the risen whiteness
Of the skin between thy brows?
"Gehazi" by Rudyard Kipling

In news:

Huskies' ailing Suggs, Kemp close to returning.
Our ailing critic tries to make sense of Nevada Conservatory Theatre's heady Arcadia.
Coach Dennis Allen leaves team to be with his ailing father.
Disney World a dream vacation for ailing 7-year-old and family.
Ailing US Postal Service Tries to Avoid Twinkie Fate.
Ailing James provides gutty effort as Heat top Suns.
Sarkozy grilled on election money from ailing heiress.
Defense leads KSU to victory over ailing OU.
Redskins' London Fletcher ailing , but his streak kept alive.
Lions' rookie Reiff on the spot with Backus ailing .
Whatever you decide, you will be beating those winter "ails" with your favorite Saranac " ale .
While ailing Amish tot struggles, help needed.
Andrew Bynum's knees still ailing.
BYU basketball: Sophomore guard glad his ailing ankle is healing up.
Our ailing critic tries to make sense of Nevada Conservatory Theatre's heady Arcadia .

In science:

Prochaska 1999; P ´eroux et al. 2003a; Prochaska et al. 2009), consensus has f ailed to emerge on the nature of the dominant absorbers, the so-called Lyman limit systems (LLSs), with studies associating them with lowmass dark matter halos (e.g.
The distribution of Lyman-limit absorption systems during and after reionization
Note that because the grammars of this paper stems from programs we can then assume without loss of generality that the condition on t ail p pq for every production p holds for every grammar in this paper.
Underapproximation of Procedure Summaries for Integer Programs
For m=O toN, (a) For each state s such that d(s)=m (b) lfn�1 and IVn(s')-Vn-l(s')l � o for ails' such that maxa.P(s'ls,a)>O, Vn+l (s) = Vn(s).
Fast Value Iteration for Goal-Directed Markov Decision Processes
Using Lemma 3 it is not difficult to establish that the same type of inequality is satisfied by the bilinear form aIL .
Rough solutions of the Einstein constraint equations with nonconstant mean curvature
Let aIL be the bilinear form defined in Eq. (3.1) for any tensor IK ∈ L∞(∂MIN , 2).
Rough solutions of the Einstein constraint equations with nonconstant mean curvature