1. A type of flatfish: A flounder is a flatfish that belongs to the family Pleuronectidae. Flounders are characterized by their flat, oval bodies and their eyes that are both located on the same side of their head. Flounders live in both the Atlantic and Pacific Oceans, and they are popular food fish.
2. To move or stumble awkwardly: The word "flounder" can also be used as a verb to describe the act of moving or stumbling awkwardly. For example, you might say "The child floundered around the room, trying to find their balance."
3. To be confused or uncertain: The word "flounder" can also be used to describe a state of confusion or uncertainty. For example, you might say "The student was floundering in their studies, unsure of what to do next."
4. To struggle or fail: The word "flounder" can also be used to describe a situation in which someone is struggling or failing. For example, you might say "The company is floundering financially, and it is unsure if it will be able to survive."