Crossword clues for the word: SOPORIFIC The word SOPORIFIC has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for SOPORIFIC Showing 1 to 4 of 4 results Clue(s) Poor sci-fi turned out to be dull Poor sci-fi, in translation, unlikely to make you excited Sleep-inducing Somniferous.