sinkable's Usage Examples:

A sinkable boom can separate the pool into a 23 m by 21 m with constant depth between.

And in the end, amazingly, sinkable Joe impresses Alice by winning the race.

required to penetrate down to safe levels, by Rules, they are designed to be sinkable and in fact they do on a regular basis.

"Are the high-technology wonders of today any less sinkable than the Titanic?".

required sorting in two additional streams characterised by flammable or sinkable waste.

In the case of the reversely functioning and vertically sinkable TV ceiling lift system, the design looks similar to that of the vertical.