親しん好こうMeanings1nounfriendship; good fellowshipA somewhat formal or literary term for close, friendly relations. Not an everyday word for casual friendship.両りょう国こくの親しん好こうを深ふかめるために文ぶん化か交こう流りゅうが行おこなわれた。Cultural exchanges were held to deepen the friendship between the two countries.