feudal/feudalism/feudalist

feudal /ˈfju:dl/ adj. 封建（制度）的：The feudal system lasted for two thousand years in China.封建制度在中国延续了两千年之久。All these old novels bear the religions and superstitious characters of the feudal society.所有这些旧小说都具有封建社会的宗教迷信性。 

feudalism /ˈfju:dəlizəm/ n. [u] 封建主义，封建制度：Feudalism was not abolished in England until 1660.英国直到1660年才废除封建制度。In cities people talked about science and democracy, but feudalism flourished on the land.在城里，人们高谈科学和民主，可是在农村,，建主义仍然在泛滥。

feudalist /ˈfju:dəlist/ I. n. [c] 封建论者，主张封建制度者  II. adj. 封建主义的：feudalist rule 封建统治；overthrow the feudalist rule of Qing dynasty推翻清朝封建专制统治Market economy was in its embryonic stages as early as feudalist society. 市场经济，在封建社会时期就有了萌芽。