Crossword clues for the word: ANTIACID The word ANTIACID has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for ANTIACID Showing 1 to 4 of 4 results Clue(s) "Tums, e.g." Like LSD discouragers? Opposed to LSD? Stomach calmer: Var.