Definition/Meaning of mortiferous

• English - Adjective: mortiferous ( comparative more mortiferous , superlative most mortiferous ) ( now rare ) Causing spiritual death . [from 16th c .] 2002 , Colin Jones , The Great Nation , Penguin 2003, p . 140: Breton recruits were notorious for suffering from la nostalgie – a mortiferous form of homesickness . Causing physical death; deadly , fatal , lethal . [from 16th c .] Translations
• English - Etymology: From Latin mortifer +‎ -ous .
• English - Pronunciation: ( UK ) IPA (key) : /mɔːˈtɪfəɹəs/