Nonsentient is a word that refers to things that lack consciousness or awareness, such as inanimate objects or plants. However, there are several other synonyms that can be used in place of nonsentient to describe such things. These include words such as nonliving, lifeless, unfeeling, and inert. One can also use synonyms like insentient, unconscious, and unaware to refer to things that lack consciousness or awareness. It is important to use various synonyms when writing, to avoid repetition and create a more diverse vocabulary. Therefore, these synonyms can be helpful in enhancing the expressiveness and precision of one's writing.