new blood

Idioms

Additional, fresh individuals regarded as an invigorating force, as in an organization. For example, The board could really use some new blood next year. This metaphoric expression, first recorded in 1853, alludes to a blood transfusion and employs new in the sense of “fresh.”

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Peptide drugs, on the other hand, are manufactured to last longer in the body to create a therapeutic response, such as controlling appetite or promoting the growth of new blood vessels, bone density or muscle.

From Salon • Apr. 4, 2026

Yes, it was about new blood and new tactical thinking, but it was more than that.

From BBC • Mar. 1, 2026

Now, with new blood infused by head coach Curt Cignetti and an offense led by Heisman Trophy winner Fernando Mendoza, the Hoosiers have turned the page and shattered expectations.

From Los Angeles Times • Jan. 1, 2026

One niche that plays a central role in creating new blood cells lies near the bone surface and is linked to blood cancer's ability to resist treatment.

From Science Daily • Nov. 20, 2025

Strength and courage flow into my body like new blood.

From "Ophelia" by Lisa Klein

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023