Adjective
-
(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"