Destructive or hugely expensive (7)
I believe the answer is:
ruinous
(Other definitions for ruinous that I've seen before include "Disastrous, destructive" , "Catastrophic" , "causing harm?" , "Exorbitant" , "far too expensive" .)
I believe the answer is:
ruinous
(Other definitions for ruinous that I've seen before include "Disastrous, destructive" , "Catastrophic" , "causing harm?" , "Exorbitant" , "far too expensive" .)