To be in serious difficulty.
To flop around as a fish out of water.
He gave a good speech, but floundered when audience members asked questions he could not answer well.
To make clumsy attempts to move or regain one's balance.
To act clumsily or confused; to struggle or be flustered.
A bootmaker's tool for crimping boot fronts.
A European species of flatfish having dull brown colouring with reddish-brown blotches; fluke, European flounder, Platichthys flesus.
Any of various flatfish of the family Pleuronectidae or Bothidae.
To be troublesome.
To search for gems, gold, etc., on the surface or in abandoned workings.
To search for something; to rummage.
To elicit information; to ferret out.