mortiferous

adjective

mor·​tif·​er·​ous

(ˈ)mȯ(r)¦tif(ə)rəs

: deadly, fatal

mortiferously adverb

mortiferousness noun

plural -es

Word History

Etymology

Latin mortifer, mortiferus, from morti- (from mort-, mors death) + -fer, -ferus -fer, -ferous

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