Fateful (adjective) — مصيري: Having important, often disastrous, consequences. Below are 8 words with a similar meaning; the linked ones have full GL Dictionary entries with their meaning in Arabic.
determined; conclusive; definitive; resolute; firm; final; authoritative; unwavering
Of great importance or significance, especially for the future. Compare momentary, meaning brief.
Important enough to have a noticeable effect; statistically meaningful.
criticalcrucialpivotalominousportentous