v. & n.
—v.intr.
1 struggle in mud, or as if in mud, or when wading.
2 perform a task badly or without knowledge; be out of one's depth.
—n. an act of floundering.
Derivatives:
flounderer n.
Etymology: imit.: perh. assoc. with founder, blunder
2.
n.
1 an edible flat-fish, Pleuronectes flesus, native to European shores.
2 any of various flat-fish native to N. American shores.
Etymology: ME f. AF floundre, OF flondre, prob. of Scand. orig.
Useful english dictionary. 2012.