Relations have been strained from the early 1990s but are now gradually progressing.
Miller gradually progressed, and once Australia had taken the lead, he cut loose.
There is no cure, but the disease generally progresses gradually and does not affect life expectancy.
The disease progresses gradually over 10 to 15 years, resulting in increasing disability.
He may also be gradually progressing toward a nuclear weapons capability.
SpongeBob's look gradually progressed to brown pants that was used in the final design.
After achieving the status of an urban settlement in 1950, the city progressed gradually over the years.
He progressed through the company gradually, and became Victorian operations manager in 1990.
The disease usually progresses gradually over many years, often at different rates in different people.