"unprecedented process" is a correct and usable phrase in written English.
You can use it to refer to a process that is unfamiliar or has never occurred before. For example, "The COVID-19 pandemic has created an unprecedented process of remote learning for students all over the world."
The SDGs are worthy of support.The SDGs have been developed through an unprecedented process of stakeholder involvement.
Exactly how Clinton would conduct himself during this unprecedented process has been a subject of much speculation from the outset.
These innovative projects have been developed and designed by the host countries from the bottom up, through an unprecedented process of citizen involvement.
He said Gen Halutz, an air force officer, had overseen an unprecedented process of review and internal inquiry since the war.
E.U. leaders put in place last week an unprecedented process of monitoring to try to persuade markets that Greece would follow through on its deficit reduction plan.
Third, the Obama administration has initiated an unprecedented process for streamlining and eliminating regulations, with the goal of reducing unjustified costs.
We present results of unprecedented processes extending tensegrity systems applicability.
However, coincidence with the 0.8 m SLR estimate for 2100 based on ice-dynamics9 suggests that tracking the upper bound of our 68% probability interval does not require unprecedented processes.
However, the unprecedented urbanization process exercises additional pressure on the realization of energy intensity reduction targets.
"The redactions were the result of an extensive and unprecedented interagency process, headed up by my office, to protect sensitive classified information.
This unprecedented historic process began with the protests in Tunisia that brought down the 23-year-old regime of President Zine El Abidine Ben Ali.
