Frailty

Part of speech: noun (n.)

1. The condition 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.

2. A fault proceeding from weakness; foible; sin of infirmity.

Synonyms: Frailness; fragility; imperfection; failing.