Fateful

7 clues
Ominous
Decisive
Momentous
Prophetic
Foreboding
Portentous
Decisively important
Similar answers:
Acirfatsew
Adoptivefathers
Afat
Afate
Afatecs
Afatesocruel
Afatfreefanatic
Alfatah
Anangryfatheris
Animalfat
Apronstringsfat
Arafat
Armyfatigues
Asfat
Asfatas
Asfatasapig
Asfate
Atfate
Atwistoffate
Awhaleofatime