From Latin exitiosus. <span class="searchmatch">exitious</span> (comparative more <span class="searchmatch">exitious</span>, superlative most <span class="searchmatch">exitious</span>) Harmful, destructive, deadly, pernicious. 1657, Renodaeus tran. Richard...
From Latin exitialis, <span class="searchmatch">exitious</span>, from exitium (“a going out”). exitial (comparative more exitial, superlative most exitial) (obsolete) destructive; fatal...
pernicious, deadly First/second-declension adjective. exitium English: <span class="searchmatch">exitious</span> “exitiosus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary...