2
: a brother or sister considered irrespective of sex
broadly
: any plant or animal of a group sharing a degree of genetic relationship corresponding to that of human sibs
3
: a group of persons unilaterally descended from a real or supposed ancestor
Examples of sib in a Sentence
Recent Examples on the Web
Melissa Willets, Parents, 23 July 2025
Aussie horror sibs Danny and Michael Philippou one-up themselves with their depraved second feature, a visceral nerve-shredder that thrusts them into the same scream big leagues as Ari Aster, John Carpenter and Jordan Peele.
—Randy Myers, Mercury News, 28 May 2025
There were always at least three trips a week to the Pleasantville Public Library, where my mother and sibs stocked up on new reading material.
—Inga, San Diego Union-Tribune, 19 May 2025
So, this is an appreciation post for the best sibs in the biz.
—Skyler Caruso, Peoplemag, 5 Apr. 2024
See All Example Sentences for sib
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Noun
The best way to deal with big emotions younger sibs experience come autumn is to acknowledge and validate the feelings according to Elie Hessel, PhD, Pediatric Psychologist with Nemours Children’s Hospital in Florida.
—Melissa Willets, Parents, 23 July 2025
Aussie horror sibs Danny and Michael Philippou one-up themselves with their depraved second feature, a visceral nerve-shredder that thrusts them into the same scream big leagues as Ari Aster, John Carpenter and Jordan Peele.
—Randy Myers, Mercury News, 28 May 2025
There were always at least three trips a week to the Pleasantville Public Library, where my mother and sibs stocked up on new reading material.
—Inga, San Diego Union-Tribune, 19 May 2025
So, this is an appreciation post for the best sibs in the biz.
—Skyler Caruso, Peoplemag, 5 Apr. 2024
See All Example Sentences for sib
Cite this Entry
“Sib.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sib. Accessed 30 Jul. 2025.
Copy CitationMedical Definition
sib
noun
: a brother or sister considered irrespective of sex
broadly
: any plant or animal of a group sharing a degree of genetic relationship corresponding to that of human sibs
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