unblooded

[ uhn-bluhd-id ]
/ ʌnˈblʌd ɪd /

adjective

not having a good pedigree: an unblooded horse.

Origin of unblooded

First recorded in 1585–95; un-1 + blooded
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019