<p><strong>Adjective</strong></p><ul><li>causing or capable of causing death</li><li>mortal</li><li>deadly</li><li>causing destruction, misfortune, ruin, or failure</li><li>decisively important</li><li>fateful</li><li>proceeding from or decreed by fate</li><li>inevitable</li><li>influencing or concerned with fate</li><li>fatalistic</li><li>condemned by fate</li><li>doomed</li><li>prophetic</li></ul><p><strong>Synonyms</strong></p><ul><li>devastating</li><li>catastrophic</li><li>calamitous</li><li>disastrous</li><li>ruinous</li></ul><p><strong>Antonyms</strong></p><ul><li>life-giving</li></ul>