a. Obs. [f. as prec. + -OUS.] Shadowy, unreal; faint.
1637. Ironside, Seven Quest. Sabbath, To Rdr. B iij b. Least thou shouldst perhaps think I affected a Sciomachy or Umbratilous skirmish.
1640. G. Watts, trans. Bacon’s Adv. Learn., III. iv. 165. The handling of Finall Causes in the Physiques … hath given men occasion to rest satisfied in such specious, and umbratilous Causes.
1669. W. Simpson, Hydrol. Chym., 273. An humane embryo … without sexual discrimination, onely an umbratilous figuration of the microcosme.
