Antisunward is a term used to describe a direction away from the sun. However, there are several synonyms for this word that can be used interchangeably to convey the same meaning. One such synonym is "opposite the sun", which implies a position that is directly opposite to the sun's location. Another term that can be used is "counter-sunward", which suggests movement or direction opposite to that of the sun. "Posterior to the sun" is another synonym that indicates a position or movement away from the sun. These synonyms allow for varied expressions, amplifying the description of a precise direction that diverges from the sun's location.