mortiferous

[ mawr-tif-er-uhs ]
/ mɔrˈtɪf ər əs /

adjective

deadly; fatal.

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Origin of mortiferous

1525–35; <Latin mortiferus death-bearing, equivalent to morti- (stem of mors) death + -ferus-ferous

OTHER WORDS FROM mortiferous

mor·tif·er·ous·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021