Serpentiform is an adjective that is used to describe something that is shaped like a serpent or has a resemblance to a snake. However, there are various other synonyms that can be used to convey the same meaning. One alternative word is snake-like, which is commonly used to describe objects or creatures that have a similar appearance to a snake. Another synonym for serpentiform is serpentine, which is used to depict things that are winding or curving like a snake. Similarly, reptilian is another word that can be used to describe something that has a snake-like appearance. These synonyms can be used interchangeably to give a vivid description of anything that resembles a snake.