sister-in-law

[sis-ter-in-law] / ˈsɪs tər ɪnˌlɔ /

NOUN

kinsman

Synonyms

STRONG

agnate aunt blood brother-in-law cognate connection cousin father father-in-law folk folks grandparents in-laws kin kinsperson kinswoman mother mother-in-law nephew niece relation sib sibling stepbrother stepparent stepsister uncle

WEAK

clansperson great-grandparents

NOUN

kinswoman

Synonyms

STRONG

agnate aunt blood brother-in-law cognate connection cousin father father-in-law folk folks grandparents in-laws kin kinsman kinsperson mother mother-in-law nephew niece relation sib sibling stepbrother stepparent stepsister uncle

WEAK

clansperson great-grandparents

NOUN

relative

Synonyms

STRONGEST

aunt cousin father folk mother niece sibling uncle

STRONG

agnate blood brother-in-law cognate connection father-in-law folks grandparents in-laws kinsperson mother-in-law nephew relation sib stepbrother stepparent stepsister

WEAK

clansperson great-grandparents

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Her sister-in-law, Millicent Sedra, also spoke and scolded women who expect husbands to share housework.

From Salon • Jun. 12, 2026

Accepting the award, Giuffre's sister-in-law Amanda Roberts said the book was "a true testament to what a survivor's voice can do when finally given the space to be heard".

From BBC • May 11, 2026

Giuffre's sister-in-law, Amanda Roberts, said they did not have to go "deep into conversation" given the potential complications of impeding investigations.

From BBC • Apr. 24, 2026

His mother, Yolanda, worked for the agency for 39 years, as did each of her four brothers and a sister-in-law.

From Los Angeles Times • Apr. 16, 2026

Frear realized it would be impossible to reach his sister-in-law by a direct route, so he decided to circle back the way he came and search for another way.

From "The Great Fire" by Jim Murphy

sister-in-law

Example Sentences

Related Words