Crossword clues for the word: SILENTSPRING The word SILENTSPRING has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for SILENTSPRING Showing 1 to 4 of 4 results Clue(s) Book by 19-Across that challenged the use of chemical pesticides and sparked environmentalism: 2 wds. Book by Rachel Carson Iconic environmental book Rachel Carson classic