Nonfunctioning and Well-worn

Nonfunctioning adjective - Not being in working order.

Well-worn and nonfunctioning are semantically related. In some cases you can use "Well-worn" instead an adjective "Nonfunctioning".

Well-worn adjective - Used or heard so often as to be dull.

Nonfunctioning and well-worn are semantically related. Sometimes you can use "Nonfunctioning" instead an adjective phrase "Well-worn".