See Also: infirm(medicine)
infirm(1)(dictionary)
infirm(2)(dictionary)
infirm(dictionary)
INFIRM(law)

infirm(2) (iou)



infirm verb trans. Now rare. LME.
[Latin infirmare weaken, invalidate, formed as INFIRM adjective.]
Weaken the hold of (belief) over the mind; impair the force of (an argument, reason, etc.); make doubtful or less certain. LME-L17.
Make physically infirm or frail; weaken, impair the strength of. M16-M17.
Invalidate (a law, custom, evidence, etc.); declare invalid, call into question. M16.