a. Also 7 -able. [UN-1 7, 7 b, 5 b.] = INEXHAUSTIBLE a.
1656. Earl Monm., trans. Boccalinis Advts. fr. Parnass., I. xv. (1674), 18. His own so unexhaustible riches which he had accumulated.
1683. Tryon, Way to Health, 345. From the divine Principle doth arise and flow, as from an unexhaustible Fountain, all Friendly Qualities.
1690. in Cath. Rec. Soc. Publ., IX. 359. Ye unexhaustable purse of Gods divine providence.
1779. Johnson, L. P., Butler. If unexhaustible wit could give perpetual pleasure, no eye would ever leave half-read the work of Butler.