umbratilous

comparative more umbratilous · superlative most umbratilous

1. obsoleterareShadowy; faint; secluded; indistinct; vague; latent; indeterminate.

   […] and should doubtless do our best, through horrid yells and tintinnabulations, towards getting up a tremendous counter-irritation upon the earth that should tell mightily on the nerves of this umbratilous tiger in the heavens.

   1863 September 28, “Thomas de Quincey”, in The Atlantic Monthly, volume 12, page 356

   1 more example

   For the handling of Final Causes the Physicks, hath intercepted, and banisht the enquiry of Physical causes; and hath given men occasion to rest satisfied in such specious, and umbratilous Causes; and not thorowly to urge and press the enquiry of real and truly Physical Causes.

   1640 [1638], Francis Bacon, translated by Gilbert Wat[t]s, Of the Advancement and Proficience of Learning, or the Partitions of Sciences, translation of De Augmentis Scientiarum (in New Latin), published 1674