Crossword clues for the word: BONEUP The word BONEUP has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for BONEUP Showing 1 to 8 of 8 results Clue(s) "Prepare for, as a test" Cram for exams Get ready for a test Study Study for exams: Slang. Study hard Study, informally Take a refresher course, say