Crossword clues for the word: FILLSTHEBILL The word FILLSTHEBILL has appeared as an answer to at least 3 crossword clues on different crossword puzzles. Crossword clues for FILLSTHEBILL Showing 1 to 3 of 3 results Clue(s) Gives a pelican a mouthful? Has functions to fit needs Is adequate: Colloq.