big sister

noun

1. an elder sister.

2. (sometimes initial capital letters),  a woman who individually or as a member of an organized group undertakes to sponsor or assist a girl in need of help or guidance.

3. (sometimes initial capital letters),  a young woman in the junior or senior class in college who advises a young woman in the freshman class on studies, social activities, etc., often as a part of a sorority program.

Example Sentences

She added that the note was nothing more “than a little sister asking for prayers for her big sister.”

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She is like the big sister to everyone - she knows what to do in stressful situations and handles things so smoothly.

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The family said that Harper's little sister "adored her big sister and is grieving an unimaginable loss".

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Kara was like a big sister to me — really helping me find myself and listening to me.

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She's the big sister that I didn't ask for - but I'm so glad to have.

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