Crossword clues for First word in the first crossword 3 letters:FUNFirst word in the first crosswordFUNFirst Across word in the world's first crosswordFUNFirst word across in the world's first crossword (1913)FUNFilled-in word in the world's first crosswordFUNWord that was given in the very first crosswordACROSSFirst word in crosswords?DRAWABLANKFail to think of anything . . . or a crossword clue for the first word of 17-, 25-, 39-, or 49-Across