Testudinals are a group of animals that are commonly referred to as turtles or tortoises. Synonyms for this word may vary depending on the context in which it is used. Some synonyms for testudinals may include chelonians, terrapins, and shelled reptiles. These words are often used interchangeably to describe animals with a hard, protective shell. Other synonyms for testudinals may include slowpokes, sluggish creatures, or sedentary animals. These words may be used to describe the slow and steady movements of turtles and tortoises. Overall, there are many synonyms for testudinals that can be used to accurately describe these unique and fascinating animals.