Define Sister-wife Meaning

A female (family member/friend), who is a sister (or like a sister), who helps (usually another female) frequently with cleaning, cooking, childcare, other household duties, etc.

There is no romantic involvement with a sister-wife or her spouse, however she is beloved by the whole family.

Best friend that is so close to you, she is like another wife your husband married. Husband may mistake her for his wife when she and wife are in the front seat of the car and said husband is in the back seat. Inflection and speech begin to mirror each other. Your kids may favor her over their own parents, and she treats them like they are her own! Not to be confused with sister from another mister.

A female lover of a woman who is already married their partner. And the partner is totally cool with it and gets in on the action every once in a while, but the female lover is purely in the relationship romanticly with the woman married to the partner. In some instances the female lover is romanticly involved with the married partner as well as the original female. This could also work with two male partners and the female lover is included in the same way as discribed above.

A wife's husband's "other woman" known to the wife; whether openly acknowledged or not.

The legal wife of a woman's, generally a mistress, long-term boyfriend/lover/mate.

Two or more women who share a romantic relationship with one man, but do not share a dwelling/residence.

a rating system for stories you are about to tell. You got a new roof on your house is totally boring, but you got a sister wife is worth stopping everything to hear about.

A queen bitch sister wife or QBSW for short is someone who knows what they want and GETS IT, they rule over all of the other sister wives and even has a couple guys on the side

When a group of 2-4 girl friends date/marry one guy.