Unliveable or unuseful in its present state to purchaser, tenant or vendor.(adjective)
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Use "untenantable" in a sentence
"The consular house was soon crammed with dirty Jews, whose vermin and filth rendered the house untenantable, until it had undergone a thorough repair and cleansing."
"An attempt to burn Miss Crandall's house followed, and on the night of Sept. 9, 1834, it was made untenantable under the assaults of a mob."
"Ought not the renting of untenantable rooms, and the crowding of such numbers into a single room as must breed disease, and may infect a neighborhood, be as much forbidden as the importation of a pestilence?"