new blood
noun
Definition of new blood
: persons who are accepted into a group or organization and are expected to provide fresh ideas and vitality
From the M-W Editors
1782
First Known Use of new blood
1782
Learn More about new blood
Seen and Heard
What made you want to look up new blood? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!