Little brother and Sister

Opposite meaning terms

Little brother noun - A younger brother.

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Sister is an antonym for little brother.

Sister noun - A female person who has the same parents as another person.

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Little brother is an antonym for sister in brother topic.

Nearby Words: sisterhood, sisterly

I had a mother and father and a little brother and sister and a sister my age and a dog.

Source: Literature / Maniac Magee
It's kind of like when your little brother or sister wanted to copy your hairstyle and listen to your music, except these people are probably 20 years old and ought to know better.

Source: Internet Mimic
Played Straight with Cathy, who is a surrogate mother to her little brother and sister.

Source: Film / Flowers in the Attic

Cite this Source

Sister and Little brother. (2017). Retrieved 2026, July 29, from https://thesaurus.plus/related/little_brother/sister

Little brother & Sister. N.p., 2017. Web. 29 Jul. 2026. <https://thesaurus.plus/related/little_brother/sister>.

Sister or Little brother. 2017. Accessed July 29, 2026. https://thesaurus.plus/related/little_brother/sister.

Google Ngram Viewer shows how "little brother" and "sister" have occurred on timeline