Crossword clues for the word: INERTS The word INERTS has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for INERTS Showing 1 to 8 of 8 results Clue(s) "Xenon, argon et al." Certain gases Inactive ingredients. Nitrogen and carbon dioxide Noncombustible gases. Nonreactive gases Nonreactive materials Some nonreactive gases