Answer:

fatal

Answer	Crossword Clue
FATAL	"... Attraction"
FATAL	Deadly
FATAL	Lethal

FATAL	Inevitable
FATAL	Like some flaws
FATAL	Decisively important
FATAL	Totally destructive
FATAL	".. Attraction"
FATAL	Calamitous
FATAL	Ruinous
FATAL	Like some mistakes

FATAL	Disastrous
FATAL	Ensuring failure
FATAL	Having dire consequences
FATAL	"... Attraction" (1987 film)
FATAL	Like some errors and attractions
FATAL	Terminal
FATAL	Like some computer errors
FATAL	Screen "Attraction"

FATAL	"...Attraction"
FATAL	Doomed
FATAL	Kind of computer error that may cause data loss
FATAL	.. flaw
FATAL	Decisive, as a mistake
FATAL	... Attraction
FATAL	".. Attraction" (Close thriller)
FATAL	".. Attraction" (Michael Douglas film)

FATAL	Deadly.
FATAL	Decisively important.
FATAL	Destined.
FATAL	Decisive.
FATAL	Inevitable.
FATAL	Ominous.
FATAL	Calamitous.
FATAL	Of destiny.

FATAL	Decisive
FATAL	Beyond recovery
FATAL	Like Nelson's wound at Trafalgar
FATAL	Bringing ruin
FATAL	Catastrophic