ppl. a. (UN-1 10.)
Also, in recent use (1920), unsinkingly.
1705. Addison, Italy, 191. All the dewy Strand Lyes coverd with a smooth, unsinking Sand.
1816. J. Wilson, City of Plague, I. iii. 38. Let me walk the waves of this wild world Through faith unsinking.
1821. Byron, Cain, III. i. 529. Oh! thou whose unsinking Blood darkens earth and heaven!
1823. Mrs. Hemans, Siege Valencia, ii. 429. Enough of woe For man to bear, unsinking.
1920. Max Beerbohm, And Even Now, 58. It had been impossible that the first wild ardour of spirit should abide unsinkingly in him [Swinburne].