(ぎし)

ぎし
noun
older sister-in-law; older stepsister
formalfamily
See also: 技師(ぎし) (engineer (homophone))
1. older sister-in-law; older stepsister
A woman who is one's spouse's older sister, or one's older stepsister through a parent's remarriage. A formal term used in legal and written contexts.
My sister-in-law lives in Tokyo.
I've been on good terms with my sister-in-law ever since we married.
My sister-in-law gave birth, so I sent a gift to celebrate.

Usage

義姉(ぎし) is the formal/written form. In speech, 義理(ぎり)(あね) or お義姉(ねえ)さん are more natural. The character () indicates a relationship through marriage rather than blood.
Also read as ぎし in compounds. In casual speech, people may say お義姉(ねえ)さん to address their sister-in-law directly.

Related family terms