nonwife

Etymology

From non- + wife.

nonwife means One who is not a wife; a woman who stands in a relationship to somebody other than that of a wife. Lexicurio rates it Sui generis — a strength score of 90 out of 100.

noun

One who is not a wife; a woman who stands in a relationship to somebody other than that of a wife.“Pascal's estate was contentiously split between his ex-wife and his nonwife, with artistic decisions ultimately empowered to a banker.”