I / insōpībĭlis
adjective

insōpībĭlis

neut. in-sōpībĭle
2. in-sopio
that cannot be lulled to sleep
that cannot be lulled to sleep (post-class.): flamma, i. e. inextinguishable, Mart. Cap. 1, § 7: ignis, id. 9, § 910.