Crossword clues for the word: EXTENDER The word EXTENDER has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for EXTENDER Showing 1 to 7 of 7 results Clue(s) "Hamburger Helper, e.g." Additive to increase volume or bulk Dilution substance Former sheep herder? One increasing guineas or shillings? Soy protein, in some recipes Substance added as a diluent.