I. Pass., that can be blown through.
A. Prop. (rare but class.): “deos inducere perlucidos et perflabiles,” Cic. Div. 2, 17, 40: “terra,” Sol. 27: “lacernae,” Amm. 14, 6, 9: “locus,” exposed to the wind, airy, App. M. 4, p. 150 med.; Pall. 1, 36, 3.—
B. Fig., susceptible (postclass.): “gentes perflabiles ad omnes dissensionum motus,” Amm. 30, 7, 10.—
II. Act., blowing through: “aër,” Pall. 1, 6, 9; cf.: “domus perflabili tinnitu fidium resultantes,” Amm. 14, 6, 18.