by blood

idiom

: by a relationship that connects two people through their natural parents, grandparents, etc.
My aunt and I are related by blood.

Examples of by blood in a Sentence

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Thromboembolic disease, when vessels or arteries are blocked by blood clots, was also identified as a significant contributing factor. Jami Ganz, New York Daily News, 17 July 2025 Police found items stained by blood in garbage bags in the living room closet. Kathryn Kovalenko, Twin Cities, 9 July 2025 Transmitted by blood, Rage doesn’t kill people outright, but functions like a fast-acting form of rabies, sending the infected into an instant hyperaggressive frenzy. Peter Debruge, Variety, 18 June 2025 Although bonded by blood, their approach to the drug game is different: Meech is rambunctious, while Terry is more prudent. Taylor Ardrey, USA Today, 13 June 2025 See All Example Sentences for by blood

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“By blood.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/by%20blood. Accessed 25 Jul. 2025.

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