| Adj. | 1. | fatal - bringing deathnonfatal - not bringing death; "nonfatal heart attack" | |
| 2. | fatal - having momentous consequences; of decisive importance; "that fateful meeting of the U.N. when...it declared war on North Korea"- Saturday Rev; "the fatal day of the election finally arrived"decisive - determining or having the power to determine an outcome; "cast the decisive vote"; "two factors had a decisive influence" | |
| 3. | fatal - (of events) having extremely unfortunate or dire consequences; bringing ruin; "the stock market crashed on Black Friday"; "a calamitous defeat"; "the battle was a disastrous end to a disastrous campaign"; "such doctrines, if true, would be absolutely fatal to my theory"- Charles Darwin; "it is fatal to enter any war without the will to win it"- Douglas MacArthur; "a fateful error"unfortunate - not favored by fortune; marked or accompanied by or resulting in ill fortune; "an unfortunate turn of events"; "an unfortunate decision"; "unfortunate investments"; "an unfortunate night for all concerned" | |
| 4. | fatal - controlled or decreed by fate; predetermined; "a fatal series of events"inevitable - incapable of being avoided or prevented; "the inevitable result" | |