v. become worse; decline
v. to grow worse, to degenerate
The humanitarian situation in southeastern parts of the country continues to deteriorate, with increasing livestock deaths, serious shortage of water.
Support for the monarchy has declined during the investigation amid a broader institutional crisis in the country, while the King's deteriorating health has fuelled calls for his abdication.
Sentence in Classic:
But the cooking deteriorated, and became execrable; the wine, which had always been bad, became fearfully bad.
Les Misérables (V4) By Victor Hugo Context
On the other hand, if the rent was too high, or if the land deteriorated, the result was to discourage and check the efforts of the black peasantry.
The Souls of Black Folk By W. E. B. Du Bois Context
Then personal appearance sympathised with mental deterioration: he acquired a slouching gait and ignoble look; his naturally reserved disposition was exaggerated into an almost idiotic excess of unsociable moroseness; and he took a grim pleasure, apparently, in exciting the aversion rather than the esteem of his few acquaintances.
Wuthering Heights By Emily Bronte Context