Meanings (ES + gloss)
deteriorar
To make worse; to make inferior in quality or value; to impair.
The art of war, like every other art, ecclesiastical architecture alone excepted, was greatly deteriorated during those years of general degradation[…]
to deteriorate the mind
deteriorar
To grow worse; to be impaired in quality; to degenerate.
During this fine run through Fife the weather had deteriorated rapidly, and as we passed Wormit and came onto the Tay Bridge heavy rain clouds were piled over the sea.
It was turning into an abysmal afternoon for Newcastle and it deteriorated further when Tiote saw red for his challenge on Jon Ashton.