Flounder
/flˈaʊndər/
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Definition
(noun) A European species of flatfish having dull brown colouring with reddish-brown blotches; fluke, European flounder (Platichthys flesus).
Sentence Examples
How long did you flounder around before you asked for help?
An adult flounder has both eyes on the same side of its face.
CEFR Practice Quiz
The student began to ____ when the teacher asked him a very difficult question about physics.