The afternoon sunlight coming through the trees gradually dimmed to gold.
The fungus gradually dimmed, leaving a single streak that wobbled off into the dark.
The pressure lamp itself gradually dimmed; and then could not be pumped higher.
A fade, by contrast, involves the slow disappearance of whatever is on screen, dimming gradually into the background.
The Sultan's fascination with time gradually dimmed, but the course of his kingdom was now set.
After that it will gradually dim, and then things ought to head back to normal.
He looked at her for a long moment, his spirits gradually dimming.
As they moved up the slope, it seemed to her that the light behind them gradually dimmed.
The noise grew until it seemed certain that the invisible Jets were going to bullet directly through the hangar, and then dimmed gradually.
The excitement of discovering the aurora gradually dimmed away.