She told herself that her three friends were deteriorating in their middle age.

He holds that the human race is deteriorating mentally and morally.

But it hasn't any of the deteriorating effect you were deprecating.

But it must be said that at this time the factory was deteriorating.

The language has been moving since the first day of its formation; can it be said to be deteriorating?

So far from deteriorating by age, I think I have improved, like Madeira.

The neighborhood was deteriorating, or evolving, as you happened to look at it.

These rooms, such is the deteriorating effect of modernity, are now offices.

Pigments will not have a deteriorating effect on each other as long as they are solid.

Contact with these beings has a deteriorating effect in all cases.