half
sis
ter
Plural
half-sisters
1
a sister that shares only one biological parent with one
- My half-sister and I share the same mother but have different fathers.
- Even though we're half-sisters, we've always considered each other family.
- Growing up, my half-sister and I had a complicated relationship, but we've become closer as adults.
- It was a shock to discover I had a half-sister, but I'm grateful for the bond we've formed.
- Despite the age gap, my half-sister has always looked out for me like a big sister.
Synonyms: