Crossword clues for the word: CREEPUP The word CREEPUP has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for CREEPUP Showing 1 to 8 of 8 results Clue(s) "Approach surreptitiously, with ""on""" Advance little by little. Approach ninja-like Approach sloooowly Approach slowly Approach with stealth Indian dog will come on gradually Rise gradually