sibling rivalry

noun

formal

: competition between brothers and sisters

There was barely any sibling rivalry in our family.

Examples of sibling rivalry in a Sentence

Recent Examples on the Web

Both Walsh brothers also have outgrown their sibling rivalry. — Rick Armstrong, Chicago Tribune, 23 Sep. 2026

And to the combination of McConaughey and Harrelson on their press tour, bringing laughs, pseudo-sibling rivalry, and their signature charm all along the way, fans just can’t get enough. — Abigail Wilt, Southern Living, 23 Sep. 2026

And Forest’s new signing believes their sibling rivalry helped both of them hone a tough mentality. — Paul Taylor, New York Times, 4 Sep. 2026

The two brothers have had nothing but kind things to say about each other, and have managed to fend off any chatter about a sibling rivalry. — Stephanie Sengwe, PEOPLE, 1 July 2026

Rhymes for sibling rivalry

• chivalry

Medical Definition

sibling rivalry

noun

: competition between siblings especially for the attention, affection, and approval of their parents