new blood

Idioms  

1. 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.”

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Example Sentences

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

The formation of new blood vessels can take weeks, and short bursts of oxygen are not enough to support lasting repair.

From Science Daily • Feb. 22, 2026

But if there is to be new blood then who is in line?

From BBC • Jan. 11, 2026

But Erica Ford, as a cross-dressing game poacher and archer-in-disguise named Ralph, provides the kind of character and performance that delivers new blood and enlivens an old story.

From The Wall Street Journal • Oct. 31, 2025

That is because they thought they were being ultra-modern, the cutting edge, the new blood.

From "The Story of Music" by Howard Goodall