"grievous consequences" is a correct and usable phrase in written English.
It is used to describe very serious or harmful results or effects that may occur as a result of certain actions or events. Example: The government's decision to cut funding for education has had grievous consequences for the quality of our schools and the future of our children.
The doctors were resolutely fallible, capable of making terrible mistakes with grievous consequences.
Those ideas, in fact, could have led to far more grievous consequences for Mr. Qutb.
In response, the military publicly rebuked Gilani and warned of "serious ramifications with potentially grievous consequences".
The military responded soon after with a warning of "potentially grievous consequences" if Mr. Gilani did not retract his statement.
He found searches for the term "air" had been gradually declining, suggesting "grievous consequences for the fate of humanity".
And the army warned that Gilani's recent criticism of military actions could end in "grievous consequences" for the country.
Never mind the damaging effects on a child's stable upbringing, the most grievous consequence of divorce (and subsequent re-marriage) is the increased gift burden for the progeny.
According to Johnson, Wollstonecraft "denounces the collapse of proper sexual distinction as the leading feature of her age, and as the grievous consequence of sentimentality itself.
Ācārya Amṛtacandra has described as to how the consequences of violence (karmas attracted) differ from person to persons for similar and different types of acts.A small violence may bring serious consequences to one person, while to another person grievous violence may bring about lesser consequences.
They argue that sexuality is intrinsic, while polygamy is a choice with grievous social consequences.So far, the public response to polygamy has been practical, not philosophical.
At a closed-door Senate Republican lunch on Tuesday, Senator Lisa Murkowski of Alaska sternly warned her colleagues that the party was at risk of being successfully painted as antiwoman — with potentially grievous political consequences in the fall, several Republican senators said Wednesday.
