[f. STRENGTH sb. + -FUL.] Full of or characterized by strength.
1382. Wyclif, 2 Sam. i. 19. What maner wise fellen the strengthful [Vulg. fortes]?
c. 1450. Mirour Saluacioun, 2547. Bot crist prayed with swete teres and strengthfulle voice crying.
1584. Cogan, Haven Health, ccxl. 236. To make butterd Beere Some put in the yolk of an egge or two , and so they make it more strengthfull.
1604. Marston, Malcontent, II. iii. 146. We are of Medicis; Florence our friend; in court my faction Not meanly strengthful [etc.].
1830. Lamb, Lett. to Ayrton, 14 March. All which fancies, redolent of middle age and strengthful spirits, come across us ever and anon in this vale of deliberate senectitude.
1866. [Miss Thackeray], Village on Cliff, xii. Therein did her healthy and strengthful nature reassert itself, battling with these invisible foes.
Hence Strengthfulness.
1846. in Worcester (citing Westm. Rev.).
1855. in Ogilvie, Suppl.