Ovaliform is a word that describes anything that is shaped like an oval. While there aren't many synonyms for this word per se, there are several words that can be used instead depending on the context. Words such as ellipsoidal, oblong, egg-shaped, and elliptical are commonly used to describe things that have an oval shape. These synonyms can be used to describe anything from an oval-shaped fruit to an elliptical orbit in astronomy. Regardless of the particular word used, the meaning of each synonym is the same: something that is ovaliform.