Fallen apart and Out of whack

Out of whack and fallen apart are semantically related in not working topic. In some cases you can use "Out of whack" instead an adjective phrase "Fallen apart", when it comes to topics like not working continuously.

Out of whack adjective - Out of balance or out of adjustment.

Fallen apart and out of whack are semantically related in not working topic. You can use "Fallen apart" instead an adjective phrase "Out of whack", if it concerns topics such as not working continuously.