"greatly hindered" is correct and usable in written English.
It can be used to indicate that some action has been significantly impeded or blocked. For example: "The progress of our project was greatly hindered by the sudden illness of one of our team members."
His decision has greatly hindered stem-cell research.
Delivery of biomacromolecules into the eye is greatly hindered by several protective barriers.
Observation of the volcano was greatly hindered by the arrival of a major typhoon on June 15.
B3 Blaming It on the Trains The wintry wallop has greatly hindered Metro-North service on its fleet of 800 aging electric cars.
Diverging plans and national interests have also greatly hindered the Galileo satellite navigation system, which was designed to compete with the Global Positioning System of the United States.
As a result, numerous sectors were greatly hindered during the civil war period, with industry, construction, and transport and communications suffering the most significant contractions in workforce populations.
The lack of these has greatly hindered efforts to fight Ebola in West Africa, where local customs and superstitions – including traditions surrounding the treatment of dead bodies – have made it easier for the virus to spread.
The Hurricanes (24-8) were greatly hindered by the performance of forward Darius Rice, a 6-foot-10 forward who was the team's leading scorer at 14.9 points a game.
However, the process of water splitting is greatly hindered by the oxygen evolution reaction (OER), which is kinetically sluggish and requires large overpotentials.
Although its limited solubility and toxicity have greatly hindered clinical translation, triptolide has nonetheless emerged as a promising candidate for structure activity relationship studies for Alzheimer's disease.
FXIII V34F and V34P AP show promise for designing FXIII activation systems that are either tolerant of or greatly hindered by the presence of anticoagulant thrombins.
