Frail"ty (frāl"t?), n.; pl. Frailties (-tĭz). [OE. frelete, freilte, OF. fraileté, fr. L. fragilitas. See Frail, a., and cf. Fragility.] 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.

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

Syn. -- Frailness; fragility; imperfection; failing.