Deprecation (noun)

1. The act of expressing disapproval of something.
2. The action of describing something as inadequate, poor or old fashioned.

Origin:

Late middle english: from latin depretiatio(n-), from the verb depretiare (see depreciate).

Examples:

1. The deprecation of traditional values was a major theme in the book.
2. The company faced deprecation from its customers for poor service.
3. The new software version included the deprecation of old features.
4. The deprecation of the old currency led to confusion among the citizens.
5. The deprecation of the outdated technology made way for more efficient systems.