debile vs infirm

debile and infirm both are adjectives.

Word	Noun	Adjective	Verb	Adverb
debile	No	Yes	No	No
infirm	No	Yes	No	No

As adjectives, debile and infirm are synonyms defined as:

Other synonyms of debile include decrepit, feeble, rickety, sapless, weak, weakly.

debile (adjective)	infirm (adjective)
lacking bodily or muscular strength or vitality	lacking bodily or muscular strength or vitality
	lacking firmness of will or character or purpose