fateful vs disastrous

fateful and disastrous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
fateful	No	Yes	No	No
disastrous	No	Yes	No	No

As adjectives, fateful and disastrous are synonyms defined as:

fateful and disastrous: (of events) having extremely unfortunate or dire consequences; bringing ruin

Other synonyms of fateful include black, calamitous, fatal.

fateful (adjective)	disastrous (adjective)
having momentous consequences; of decisive importance	(of events) having extremely unfortunate or dire consequences; bringing ruin
controlled or decreed by fate; predetermined
ominously prophetic
(of events) having extremely unfortunate or dire consequences; bringing ruin