Crossword clues for the word: SIGNLANGUAGE The word SIGNLANGUAGE has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for SIGNLANGUAGE Showing 1 to 7 of 7 results Clue(s) """Put your John Hancock right here""" Course for highway engineers? Hands-on communication? Koko the gorilla's communication method S&L for handy people? System of communication Way of communicating