ppl. a. [UN-1 8.] Unsounded, unfathomed.
1623. W. C[rashaw], Fatal Vesper, B 4 b. The height whereof mans vnderstanding cannot aspire vnto, nor the vnplummeld [sic] depth thereof sinke vnto.
c. 1852. M. Arnold, Isolation, iv. The unplumb’d, salt, estranging sea.
1892. Stevenson, Across the Plains, 216. Justice is not done to the unplumbed childishness of man’s imagination.
