Crossword clues for the word: GROUNDSWELL The word GROUNDSWELL has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for GROUNDSWELL Showing 1 to 8 of 8 results Clue(s) "'What was your first thought after your balloon ride, Tarzan?'" "Surge, as of political action" Bases soundly Gathering movement Pelagic undulation. Sudden increase of support* Surge of popular support Surge of support