The feeding bottle has been used for a long time. It started aging. The plastic is melting and became sticky.

The bottle is old and aging.

Does the verb "aging" describe well the quality decreasing because of using for a long time?

3 Answers 3


The word "aged" may fit better than "aging".

"Aged" is often used to note the physical effect of being old, for people and also objects.

The book was very old. Its aged pages were now nearly dust.

Also, to me (native speaker) "aging" sounds active and alive, like a person. "Aged" doesn't sound this way to my ears.

If a plastic bottle is old, it may be degraded by ultraviolet rays breaking polymer bonds, often taking on a cloudier appearance. I don't know that it would become sticky, but if it were around grease vapors in the air then these might make it sticky over time.

If the bottle has changed as a result of much use, you may also want to consider the word "timeworn".


"Old and aging" would be redundant. If you want to say the bottle is in poor condition due to its age, there are many other words you can use: deteriorating, decrepit, degraded, disintegrating, falling apart, corroding, cracking, etc.

The house at the end of our street is old and dilapidated, and looks like it's about to collapse.


To me aging is a process. So my shoes are aging quickly because I wear them every day. Or another example is : " My father is aging quickly because he has smoked all his life. Aging is the process of becoming aged.

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