wrong side



wrong side (plural wrong sides)

  1. (textiles, sewing) The side of a fabric, often with a less visible color or pattern, that is not intended to be seen on a finished project.
    Antonym: right side
    Trace the pattern on the wrong side so that any mistakes won't show when you're done.
  2. Used other than figuratively or idiomatically: see wrong,‎ side.