1
uncle(noun, connection, relation, kin, relative)
0
agnate(noun, connection, relation, kin, relative)
0
aunt(noun, connection, relation, kin, relative)
0
blood
0
clansperson(noun, connection, relation, kin, relative)
0
connection
0
cousin
0
father
0
father-in-law(noun, connection, relation, kin, relative)
0
flashman
0
stepfather
0
adoptee
0
analog(noun, relative, uncle, sib)
0
analogue(noun, relative, uncle, sib)
0
blood-relationship(noun, relative, uncle, sib)
0
blood relationship(noun, expression, relative, uncle, sib)
0
consanguinity(noun, relative, uncle, sib)
0
daughter-in-law
0
family member
0
family tie(noun, expression, relative, uncle, sib)
13 years ago|1.4k views|share |citing 
APASmart Define. (2013). brother-in-law thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/brother-in-law/thesaurus/synonyms
ChicagoSmart Define. 2013. "brother-in-law thesaurus" https://smartdefine.org/brother-in-law/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2013, brother-in-law thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/brother-in-law/thesaurus/synonyms>.
MLASmart Define. "brother-in-law thesaurus" 16 June 2013. Web. 1 October 2026. <https://smartdefine.org/brother-in-law/thesaurus/synonyms>