Scranny is a slang term commonly used to describe someone who is thin or skinny. There are several synonyms for this word that can be used instead depending on the context. For instance, words such as lean, lanky, wiry, bony, emaciated, gaunt or underweight all convey the same idea of being thin or skinny. These words can be used to describe both people and animals. It is important to note that while these words are synonyms, they may vary in intensity. Some might be stronger terms than others, and they can convey different emotions and meanings depending on the context they are used in.