I know they are old and can come unscrewed.

And then they had got hold of each other's hands and were shaking them till I wondered their arms didn't come unscrewed.

One of the balls had come unscrewed.

It was coming unscrewed.

They placed 9th in the compulsory dances, but in the free dance Betts's blade came unscrewed from the boot and they were unable to finish their program.

The D&S plug suffered from a serious design fault: the line pin was a fuse which screwed into the plug body and tended to come unscrewed on its own in use.

During a tour last spring, I discovered that the stairs, the floors and the fixtures all seemed to tremble or squeak, giving one the distinct impression that the whole place was slowly coming unscrewed at every joint.

They invented the self-oiling hub and the innovation of machining the crankarm and pedal on the left side of the bike with left-hand threads to prevent the pedal from coming unscrewed while cycling.

But now the nuts were coming unscrewed, as a number of conservatives, from Tommy Thompson to Connie Mack, were giving their approval to stem cell research, declaring that it had nothing to do with the taking of a "human life."