disastrous vs fateful

disastrous and fateful both are adjectives.

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

As adjectives, disastrous and fateful are synonyms defined as:

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

Other synonyms of disastrous include black, calamitous, fatal.

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