Synonyms for disastrous

Synonyms for (adjective) disastrous

Synonyms: black, calamitous, fatal, fateful, disastrous

Definition: (of events) having extremely unfortunate or dire consequences; bringing ruin

Usage: 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

Similar words: unfortunate

Definition: not favored by fortune; marked or accompanied by or resulting in ill fortune

Usage: an unfortunate turn of events; an unfortunate decision; unfortunate investments; an unfortunate night for all concerned