Instagram captions

Sister captions for the one who borrowed your jumper

More than 60 sister captions, sorted by the kind of sister you are posting about: older, younger, the one who steals your clothes or the one living far away. Copy one, change a detail and post.

Updated 6 October 2026 · 60 captions

Tap a caption to copy it, then paste it under your post.

Funny, about borrowed clothes and fights · 13

For an older sister · 9

For a younger sister · 9

Sentimental sister posts · 10

Birthdays, weddings and big days · 9

Together and far apart · 10

Tips before you post

  1. Old photos are the strongest content on a sister post. A childhood picture next to a recent one in a carousel gets people commenting about their own sisters.

  2. Check before you post a photo from your childhood or a hard time. Your sister may not want it online, even if you love it.

  3. Use a family in-joke as the caption. A nickname, a line your mum used to say or the name of a pet is clearer to the two of you and warm to everyone else.

  4. On Raksha Bandhan or a sibling day, post a photo of the rakhi or the gift as well as one of the two of you. The detail makes the post feel like yours.

  5. If you have more than one sister, name them or tag them in the photo, so no one feels left out of the caption.

Turn comments into DMs

Ask people to comment SISTER

End your caption with a line like this:

“Comment SISTER and I'll send it to you in a DM.”

What they get

my list of 25 gift ideas for a sister at every budget, with the ones that worked for mine and the one that did not.

DMFast answers each comment and sends the DM for you. The first message asks them to reply, then the link follows, because Instagram allows no links in that first message.

Set it up freeDM templates

Questions people ask

What is a good caption for a photo with my sister?

Use a real detail about the two of you: something she always steals, a joke from your childhood or the place you are standing. Specific lines sound warmer than a general line about sisters.

What can I write for a sister's birthday?

Pair a teasing line with a short warm one. Mention a shared memory or habit, and keep the length to one or two sentences so the photo does the rest.

Should I tag my sister in the post?

Tagging is fine if she uses her account openly and would not mind. If you are unsure, send her the photo first. Some people like to approve before a family photo is shared.

Can I use the same caption for a sister and a best friend?

Sometimes, but a sister caption works best with family details: a childhood nickname, parents, a shared bedroom. A friend caption usually points to places and habits you picked up together.

Related captions

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