Crossword clues for the word: GLOWWORM The word GLOWWORM has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for GLOWWORM Showing 1 to 9 of 9 results Clue(s) Beetle type Bioluminescent beetle larva Bioluminescent larva Bright bug Firefly larva Firefly's young Luminous larva Type of beetle Winston Churchill's spirit insect