source: By Unknown - This image comes from Gallica Digital Library and is available under the digital ID btv1b8551130g/f30, Public Domain

according to, resembling, or denoting the system of feudalism:

比較なし 〖名詞の前で〗封建制の; 封建時代の

e.g. feudal barons.

absurdly outdated or old-fashioned:

〈態度･関係などが〉封建的な, 時代遅れの.

e.g. his view of patriotism was more than old-fashioned—it was positively feudal.

feudalization |ˌfyo͞odl-iˈzāSHən| noun

feudalize |ˈfyo͞odəˌlīz, ˈfyo͞odlˌīz| verb

feudally |ˈfyo͞od(ə)lē| adverb

early 17th century: from medieval Latin feudalis, from feudum (see fee).