Difference between Round-the-clock and Nonstop

Round-the-clock

Part of speech: adjective

Definition: Continuously, all day long. From the concept that it happens while the hands of the clock go all the way around.

Nonstop

Part of speech: adverb

Definition: Without stopping; without interruption or break

Part of speech: noun

Definition: A nonstop journey, especially a nonstop flight

Part of speech: adjective

Definition: Without stopping; without interruption or break;

Example sentence: I'm always feeling like I don't belong, no matter where I am. So I'm just searching for a family nonstop, and sometimes I find it in the mosh pit, sometimes I find it when I'm doing some French TV show with the president's wife.