Definify.com
Webster 1913 Edition
frailty
frail′ty
(frāl′ty̆)
, Noun.
pl. 
frailties 
(frāl′tĭz)
. 1. 
The condition or quality of being frail, physically, mentally, or morally; frailness; infirmity; weakness of resolution; liableness to be deceived or seduced. 
God knows our 
frailty
, [and] pities our weakness. Locke.
Syn. – Frailness; fragility; imperfection; failing. 
Webster 1828 Edition
Frailty
FRA'ILTY
, n.1.
  Weakness of resolution; infirmity; liableness to be deceived or seduced.God knows our frailty, and pities our weakness.
2.
  Frailness; infirmity of body.3.
  Fault proceeding from weakness; foible; sin of infirmity; in this sense it has a plural.Definition 2025
frailty
frailty
English
Noun
frailty (countable and uncountable, plural frailties)
-  (uncountable) The condition quality of being frail, physically, mentally, or morally; frailness; infirmity; weakness of resolution; liability to be deceived or seduced.
-  1748. David Hume. Enquiries concerning the human understanding and concerning the principles of moral. London: Oxford University Press, 1973. § 36, n. 1.
- the limitations and restraints of civil government, and a legal constitution, may be defended, either from reason, which reflecting on the great frailty and corruption of human nature, teaches, that no man can safely be trusted with unlimited authority ;
 
 -  2011 October 29, Phil McNulty, “Chelsea 3 - 5 Arsenal”, in BBC Sport:
- For all their frailty at the back, Arsenal possessed genuine menace in attack and they carved through Chelsea with ease to restore parity nine minutes before half-time. Aaron Ramsey's pass was perfection and Gervinho took the unselfish option to set up Van Persie for a tap-in.
 
 
 -  1748. David Hume. Enquiries concerning the human understanding and concerning the principles of moral. London: Oxford University Press, 1973. § 36, n. 1.
 - A fault proceeding from weakness; foible; sin of infirmity.
 
Translations
condition of being frail
  | 
References
- frailty in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913