Not yet blooded; still to take part in combat. (adjective)
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Use "unblooded" in a sentence
"Sharpe shouted again, his sword unblooded, and the two ranks stepped and stumbled over the dead bodies of the French, past the wounded who cried for help, and the joy was on Sharpe for now he was within a few seconds of this first success."
"Unmarked, unblooded, extracted from among his followers without trampling his formidable brother's toes, or harming any other soul."
"Or he had been, but no longer, now that he was an unblooded vampire."