Crossword clues for the word: ONEGATIVE The word ONEGATIVE has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for ONEGATIVE Showing 1 to 7 of 7 results Clue(s) Blood type historically considered the universal donor Blood type of 1 in 15 people Blood type of a "universal donor" It's rarely found in the hospital So-called universal donor blood Universal donor type Universal donor's type