Webster’s Revised Unabridged Dictionary · 1913 Limpsy Limp′sy (-sy̆), Lim′sy (lĭm′sy̆), a. [See Limp, a., and cf. W. llymsi having a fickle motion, weak. Cf. Flimsy.] Limp; flexible; flimsy. [Local, U. S.] ‹ Limpness Limu ›