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baby brother. In DICTIOUS you will not only get to know all the dictionary meanings for the word
baby brother, but we will also tell you about its etymology, its characteristics and you will know how to say
baby brother in singular and plural. Everything you need to know about the word
baby brother you have here. The definition of the word
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English
Noun
baby brother (plural baby brothers)
- (informal) A younger brother regardless of age.
- Used other than figuratively or idiomatically: see baby, brother.