'ailing' definitions:
Definition of 'ailing'
From: WordNet
adjective
Somewhat ill or prone to illness; "my poor ailing grandmother"; "feeling a bit indisposed today"; "you look a little peaked"; "feeling poorly"; "a sickly child"; "is unwell and can't come to work" [syn: ailing, indisposed, peaked(p), poorly(p), sickly, unwell, under the weather, seedy]