内縁関係 ないえんかんけい Meanings Noun, の-adjective de facto marriage; common-law marriage; living together as husband and wife without formal marriage Kanji 内 inside. Read as ナイ. 縁 bond. Read as エン. 関 relate. Read as カン. 係 connection. Read as ケイ. Common phrases 内縁関係にある Jinuma: Japanese Dictionary · Word lists