An example of deteriorate is a child's mood going from happy to crying.
An example of deteriorate is an orange going from ripe to moldy.
The weather deteriorated overnight.
Time and neglect had deteriorated the property.
The nation's highways are deteriorating at a rapid pace.
Origin of deteriorate
- Late Latin dēteriōrāre dēteriōrāt- from Latin dēterior worse de- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition