sink below (something)

sink below (something)

1. Literally, to go beneath the surface of water or some other liquid. The storm punched a hole in the hull of the vessel, causing it to sink below the waves. You might expect such a heavy object to sink below the surface of any liquid, but because it is less dense than mercury, it actually floats on top of it.
2. To move or appear to move beneath or behind some object or boundary. We sat watching the sun sink below the horizon. The child sank below the table to avoid having to talk to the people his parents had invited for dinner.
3. To reach or go to a level or degree beneath some point or threshold. Temperatures are expected to sink below freezing tonight, so beware of icy roads in the morning. We can't let the power output sink below 500 kilowatts.
See also: below, sink
Farlex Dictionary of Idioms.

sink below something

to descend below a certain level. The boat sank below the surface of the water and was gone. The temperature sank below the freezing mark again today.
See also: below, sink
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • sink below
  • punch (someone or something) on (something)
  • punch on
  • get ticket punched
  • drip into
  • give (someone or something) a black eye
  • give someone a black eye
  • sag under
  • sag under (something)
  • I have to wash a few things out