D defs.my
Entry 3 senses · 3 variants Webster, 1913

Ail

/(āl)/ · IPA /eɪl/
01 v. t. To affect with pain or uneasiness, either physical or mental; to trouble; to be the matter with; -- used to express some uneasiness or affe…
imp. & p. p. Ailed; p. pr. & vb. n. Ailing
  1. 1.
    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.
    “What aileth thee, Hagar?” — Gen. xxi. 17.
02 v. i. To be affected with pain or uneasiness of any sort; to be ill or indisposed or in trouble.
  1. 1.
    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.” Richardson.
03 n. Indisposition or morbid affection.
  1. 1.
    Indisposition or morbid affection.