Crossword clues for the word: ATOMIST The word ATOMIST has appeared as an answer to at least 11 crossword clues on different crossword puzzles. Crossword clues for ATOMIST Showing 1 to 11 of 11 results Clue(s) "Democritus or Leucippus, philosophically" "Democritus was one, circa 400 B.C." "Democritus, natural philosophy-wise" "Democritus, philosophically" Adherent of theory about the universe. Believer in B. C. doctrine. Believer in minute particles doctrine Democritus follower Democritus or Dalton Democritus was one Mott is a philosopher in physics