Crossword clues for the word: SUMERIAN The word SUMERIAN has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for SUMERIAN Showing 1 to 5 of 5 results Clue(s) Cuneiform user Of the earliest known civilization Old Mesopotamian developed aneurism (8) Old-timer developing aneurism World's earliest known civilization