Synonyms|6Antonyms|0|Broader|0Narrower|0Related|4
1
brother
0
brethren
0
brothers
0
junior
0
little brother(expression, idiom)
0
younger sister(expression, idiom)
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APASmart Define. (2013). younger brother thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/younger_brother/thesaurus/synonyms
ChicagoSmart Define. 2013. "younger brother thesaurus" https://smartdefine.org/younger_brother/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, younger brother thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/younger_brother/thesaurus/synonyms>.
MLASmart Define. "younger brother thesaurus" 18 May 2013. Web. 21 September 2026. <https://smartdefine.org/younger_brother/thesaurus/synonyms>