half-sister-in-law

Spouse's half-sister or half-brother's wife.

My half-sister-in-law is a good person.

by Rwopazaq November 24, 2019

co-sister-in-law

The wife of one's spouse's brother.

My co-sister-in-law is a good person.

by Elivaldeq November 24, 2019

Sister

A girl who supposes to be your biggest supporter even when your mad at them. Always loves you know matter what and would do anything for you.

My sister is my favorite person in the world

by Jdhdydjdj April 13, 2019

Sister

Sister
sis•ter noun
a girl who can be sibling or your best friend.
partner of laughs, advantures, games, jokes, dances...
the confident of your biggest secrets; the person who loves you forever.

1. My sister and I went to the Natural science musuem and we had fun together.
2. My older sister visits me during the summer.

by xjnx278 April 16, 2019

The Berman Sisters

Oprah Winfrey's favorite human sexuality medical doctors who are the only sisters that are doctoral degree holding sexperts.

The Berman Sisters helped Oprah Winfrey with her romantic relationships.

by Coop Dupe December 12, 2019

sister

a person who is also your parents child. She is your sibling and is very annoying. She is sassy and dramatic.

My sister was so mean to me today!

by lmp1107 December 24, 2019

Ender's sister

When a gamer's parents attempt at having a better child than the gamer and it dies before being born.

"Hey, have you taken money from my wallet?"
"Your money is as existent as Ender's sister."

by Elroids December 29, 2019