欣きん羨せんMeanings1nounextreme jealousy; being very jealousarchaicArchaic literary term for intense jealousy or envy. Not used in modern everyday language.古こ典てん文ぶん学がくでは「欣きん羨せん」という語ごが激はげしい嫉しっ妬とを表あらわすことがある。In classical literature, the word 欣羨 can express intense jealousy.