Crossword clues for the word: EMBITTER The word EMBITTER has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for EMBITTER Showing 1 to 10 of 10 results Clue(s) Acidulate Cause hard feelings Cause hostile feelings Cause resentment Cause to be resentful Exasperate Excite hate Make resentful. Make sour Rankle