This is the 14270th most frequent Russian word.
остыл
"Остыл" means "cooled down" or "became cold."
Here, 'остыл' is used in its literal meaning, indicating that the soup's temperature has decreased.
Суп остыл, мы его подогреем.
The soup has cooled down, we'll reheat it.
In this instance, 'остыл' is used metaphorically to describe a decrease in enthusiasm or passion.
Его интерес к проекту остыл.
His interest in the project has cooled.
Here, 'остыл' reflects a calming or settling of emotions, implying a metaphorical alignment with the term's cooling effect.