Meaning : Having momentous consequences. Of decisive importance.
Example :
That fateful meeting of the U.N. when...it declared war on North Korea.
The fatal day of the election finally arrived.
Synonyms : fatal
Meaning : Ominously prophetic.
Synonyms : foreboding, portentous
Meaning : (of events) having extremely unfortunate or dire consequences. Bringing ruin.
Example :
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.
It is fatal to enter any war without the will to win it.
A fateful error.
Synonyms : black, calamitous, disastrous, fatal
Meaning : Controlled or decreed by fate. Predetermined.
Example :
A fatal series of events.
Synonyms : fatal