Crossword clues for the word: GREENBACK The word GREENBACK has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for GREENBACK Showing 1 to 9 of 9 results Clue(s) "Legal tender, slangily" "Legal-tender bill, slangily" A U.S. legal-tender note Buck Dollar bill, e.g. ... and what the ends of the answers to starred clues have in common Federal Reserve Note Independent party of 1874 Legal-tender bill Note inexperienced football player (9)