Down-and-out and Nonfunctioning

Down-and-out adjective - Lacking bodily strength.

Nonfunctioning and down-and-out are semantically related. In some cases you can use "Nonfunctioning" instead an adjective phrase "Down-and-out".

Nonfunctioning adjective - Not being in working order.

Down-and-out and nonfunctioning are semantically related. Sometimes you can replace phrase "Down-and-out" with "Nonfunctioning", this terms are similar.