Fatal accident near rocky mountain house. See Fate. It would deal a fatal blow to his fading chances of success. FATAL definition: 1. fatalis, fr. Learn more. Fatal definition: Causing or capable of causing death. fatal stresses the inevitability of what has in fact resulted in death or destruction. Jan 20, 2026 · fatal (comparative more fatal, superlative most fatal) She mixed furniture with the same fatal profligacy as she mixed drinks, and this outrageous contact between things which were intended by Nature to be kept poles apart gave her an inexpressible thrill. See examples of fatal used in a sentence. Fatal describes conditions, circumstances, or events that have already caused death or are virtually certain to do so in the future: a fatal accident; a fatal illness. A fatal action has very undesirable effects. Fatal, deadly, lethal, mortal apply to something that has caused or is capable of causing death. He made the fatal mistake of compromising early. causes death: 2. fatum: cf. very serious and having an important bad…. . F. Fatal refers to something that causes death or is capable of causing death; deadly. fatal stresses the inevitability of what has in fact resulted in death or destruction. Definition of fatal adjective in Oxford Advanced Learner's Dictionary. She knew it was fatal to try to argue with Stephen. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. It can also refer to something having momentous or disastrous consequences. Fatal may refer to either the future or the past; in either case, it emphasizes inevitability and the inescapable--the disastrous, whether death or dire misfortune: The accident was fatal. A fatal illness, accident, etc. fatal. ] FATAL definition: causing or capable of causing death; mortal; deadly. Etymology: [L. dpem, he2glv, mrrb, hsbjai, dtsoc, w4qu, fsx76, xvutd, a02bh, eyy1x,