FIREFLY Scrabble 16 Words With Friends 16 Definition noun tropical American click beetle having bright luminous spots. — synonyms: fire_beetle, Pyrophorus_noctiluca noun nocturnal beetle common in warm regions having luminescent abdominal organs. — synonyms: lightning_bug See all 57 words you can make from FIREFLY → 7-letter words Words starting with F Words ending with Y ← Unscramble different letters