ail
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. Note: It is never used to express a specific disease. We do not say, a fever ails him; but, something ails him. 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. Indisposition or morbid affection. Pope.
Source: Webster's Revised Unabridged Dictionary (1913), United States public domain. See methodology for full licensing detail. Word validity for game play may differ from any official game dictionary.