"monumental consequences" is a correct and usable phrase in written English.
You can use it when you want to refer to a major or significant outcome or result. Example: The decision had monumental consequences on the outcome of the election.
Our lack of knowledge is everywhere, but in some domains, as we have seen, it can have monumental consequences.
Clearly, comparisons of the Ashura protests to the fall of the Berlin Wall in 1989, projecting a cascade of monumental consequences to follow, are fanciful.
These are massive questions with monumental consequences, but they're not the kind to capture the public imagination, at least not in Britain.
But any tariff would be tantamount to dismantling NAFTA's free-trade zone, which the C.E.O. of Fiat Chrysler, Sergio Marchionne, said would have "monumental consequences" for the auto industry.
This will take place in the next few weeks, setting a frightening precedent with monumental consequences for Colombia, Venezuela, and, especially, human rights and the fight against torture.
But the relative size of the grave on the scale of human misery is beside the point -- because while few, their deaths had monumental consequences for America.
DoubleClick's subsequent promise not to integrate its own database fully with that of Abacus turns the acquisition, in the eyes of many, into a monumental flop.But the consequences go far beyond this.
Monumental Moneymakers Monuments are also economic assets.
As the consequences of this monumental failure start to hit more and more people over the coming months, class-polarising austerity may well become a difficult political position to defend, especially since measures once justified in terms of economic necessity are now so visibly a matter of deliberate choice and priority.
We are still facing monumental challenges with potentially devastating consequences in the war against malaria.
And we don't know the consequences of this monumental societal shift.
