Crossword clues for the word: STANDUPSTRAIGHT The word STANDUPSTRAIGHT has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for STANDUPSTRAIGHT Showing 1 to 4 of 4 results Clue(s) Command from parents Dear old dad the comedic foil always told me to ___ Exhibit good posture Not have a hunch?