There are several synonyms for the word "tongue-shaped" that can be used to describe any object that resembles the shape of a tongue. Some of these synonyms include oblong, elongated, slab-like, spatulate, and lancet-shaped. Each of these synonyms provides a different level of detail in describing the shape of the object, while still conveying the general idea of it being tongue-shaped. For instance, "oblong" might suggest a longer and thinner shape, while "slab-like" might suggest a flatter and wider shape. All in all, these synonyms offer writers and speakers a range of options to use when describing objects that have a similar shape to a tongue.