Crossword clues for the word: HIALL The word HIALL has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for HIALL Showing 1 to 7 of 7 results Clue(s) Friendly start to a group email Greeting for a group Group email greeting Group email opener Group email starter (2 wds.) Informal group email opener Mass email lead-in