Definitions for: Fossilized

[adj] set in a rigidly conventional pattern of behavior, habits, or beliefs; "obsolete fossilized ways"; "an ossified bureaucratic system"

Webster (1913) Definition: Fos"sil*ized, a.
Converted into a fossil; antiquated; firmly fixed in views or
opinions.

A fossilized sample of confused provincialism. --Earle.

Synonyms: fossilised, inflexible, ossified