Crossword clues for the word: APL The word APL has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for APL Showing 1 to 7 of 7 results Clue(s) ___.de.ap (Black Eyed Peas member) Certain computer code Computer programming: abbr. FORTRAN kin Language used in handling arrays Mo. of showers: var. Programming language of the 1960s