Crossword clues for the word: NEFARIOUS The word NEFARIOUS has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for NEFARIOUS Showing 1 to 4 of 4 results Clue(s) """What are you up to now, ___?""" Are fusion bombs immoral? Criminal Wicked cracking safe in court interior