little brother

noun

A younger brother.

Similar
kid brother
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Meanings

nounlittle brother (plural little brothers)

plural little brothers

  1. informalA younger brother.

    Synonyms: kid brother

Synonyms & antonyms

nounA younger brother.

Similar
kid brother
Also see
younger brother
Cite this entry
APA

little brother. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/little%20brother

MLA

“little brother.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/little%20brother. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “little brother,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/little%20brother.

Source: little brother on Wiktionary, CC BY-SA 4.0.