insubmersible, a. rare.
(ɪnsʌbˈmɜːsɪb(ə)l)
[in-3; perh. after F. insubmersible (1775 in Hatz.-Darm.).]
= prec.
| 1865 Esquiros Cornwall 169 The English expect a life⁓boat to be insubmersible. 1879 D'Anvers tr. J. Verne's Fur Country ii. iv. 197 A wandering island, with a solid insubmersible foundation. |