1. 老化的;失去屈折的;石化的;僵：encyclopedic knowledge 百科知識 | fossilized 老化的;失去屈折的;石化的;僵 | examination 考試

2. 化石的：Reprieve: 暂缓;缓刑 | Fossilized: 化石的 | Pollen: 花粉

3. 僵化的：fossilization 僵化 | fossilized 僵化的 | four phase drill 四步操练

4. 成化石：scowled 怒容 | fossilized 成化石 | radiated 发射

adj

1. set in a rigidly conventional pattern of behavior, habits, or beliefs

e.g. obsolete fossilized ways
an ossified bureaucratic system

Synonym: fossilisedossified