indisposed vs ailing

indisposed and ailing both are adjectives.

Word	Noun	Adjective	Verb	Adverb
indisposed	No	Yes	No	No
ailing	No	Yes	No	No

As adjectives, indisposed and ailing are synonyms defined as:

Other synonyms of indisposed include peaked, poorly, seedy, sickly, under the weather, unwell.

indisposed (adjective)	ailing (adjective)
(usually followed by `to') strongly opposed	somewhat ill or prone to illness
somewhat ill or prone to illness