Definition for RET'RO-GRADE

RET'RO-GRADE, a. [Fr. from L. retrogradior; retro, backward, and gradior, to go.]

  1. Going or moving backward. – Bacon.
  2. In astronomy, apparently moving backward and contrary to the succession of the signs, as a planet. – Harris.
  3. Declining from a better to a worse state.

Return to page 121 of the letter “R”.