친구親舊 friend 구舊 old; former 구세대舊世代 old generation 구간舊刊 old edition 구관舊官 former official 구관舊館 old building 구교舊敎 Catholicism 구면舊面 acquaintance 구법舊法 old law 구석기舊石器 paleolith 구습舊習 old customs; old-fashioned practices 구시대舊時代 old era 구시대적舊時代的 being outdated; being outmoded 구시대적舊時代的 outdated; outmoded 구식舊式 old type; old style 구약舊約 Old Testament 구제도舊制度 old system; old order 구체제舊體制 old structure; old system 구태舊態 old conditions 구파舊派 old school 구한말舊韓末 Late Period of Joseon 구형舊型 old model; old style 복구復舊 restoration; recovery 복구공사復舊工事 restoration work 송구영신送舊迎新 greeting the new year 수구守舊 conservatism 수구파守舊派 conservatives 신구新舊 old and new 구도심舊都心 old city center 구정舊正 gujeong; Lunar New Year's Day