a. rare. [f. YIELD sb. or v. + -Y1.] a. Productive, fertile. Obs. b. Having the quality of yielding or giving way physically. Hence Yieldiness.
1598. Chapman, Iliad, V. [IX.] 92. Of the most fat and yeeldie soile.
1757. trans. Henckels Pyritologia, 42. Themselves containing nothing of the noble metals, yet mixed with other ores prove yieldy.
1857. Mayne Reid, War-Trail, xiii. A serpentine yieldiness of movement.