Wiktionary
a. (standard spelling of from=non-Oxford British spelling fossilized)
WordNet
adj. set in a rigidly conventional pattern of behavior, habits, or beliefs; "obsolete fossilized ways"; "an ossified bureaucratic system" [syn: fossilized, ossified]
Usage examples of "fossilised".
Buddhism, supposedly preserving a fossilised form of that religion after it had disappeared from its last Indian centres in Kashmir, Bihar and Bengal.
Then they went into the Natural History Museum and marvelled at the skeletons of ancient creatures, monsters, fossilised fish and outlandish birds.
The first radio set his race had built were now fossilised in strata a thousand million years old.
In other cases we have the plainest evidence in great fossilised trees, still standing upright as they grew, of many long intervals of time and changes of level during the process of deposition, which would never even have been suspected, had not the trees chanced to have been preserved: thus, Messrs.