Untenantable is a word that describes a property or building that is unable to be rented out or inhabited due to various reasons. There are several synonyms for this word, such as uninhabitable, unlivable, impassable, inaccessible, inhabitable, and unsuitable. Uninhabitable refers to a building that is unsafe or unsuitable to live in due to hazardous conditions. Unlivable indicates a space that is unfit for human living, often due to extreme weather conditions or the absence of basic necessities such as electricity and running water. If a building is impassable, it may not be suitable for people to enter or exit due to structural damage or other reasons. Inaccessible indicates that a space is challenging or impossible to gain access to, while inhabitable refers to a property that is not fit for occupation due to its condition. Ultimately, each of these synonyms conveys a similar message to the original term "Untenantable".