From Longman Dictionary of Contemporary Englishbroken-downˌbroken-ˈdown adjective not working, or in very bad condition a broken-down truck
Examples from the Corpus
broken-down• Sitting on a broken-down couch in the cluttered Casa Maria headquarters, Flagg chuckles at that particular take.• With these memories, I expected Galway City, my destination, to be a hopeless, broken-down kind of place.• Benji can look like a broken-down old cab horse with a real novice on his back or he can look really smart.• His reward for helping to fix the broken-down Time Machine is to travel to a time of his choice.• a broken-down trailer• With his broken-down truck and borrowed electricity, Carvel was the prototypical sole proprietor.• Ali turned immediately to his right and climbed over a broken-down wall. 