noun
de facto marriage; common-law marriage
Refers to a couple living together in a marriage-like relationship without legal registration. Often used in legal or formal contexts. Compare with 事実婚, which may emphasize the intentional choice not to register.
See also: 事実婚
彼らは内縁関係にある。
They are in a common-law marriage.
内縁の妻として相続権を主
She claimed inheritance rights as a common-law wife.