The definition of a flounder is a type of flatfish.
(noun)An example of flounder is halibut or turbot served at seafood restaurants.
Flounder is defined as to stumble or struggle to talk, make a lot of errors, or move in a clumsy way.
(verb)An example of flounder is to have trouble speaking without hesitation or losing your train of thought.
See flounder in Webster's New World College Dictionary
intransitive verb
Origin: earlier flunder, ? blend of blunder + founder
noun
See flounder in American Heritage Dictionary 4
noun pl. flounder flounder or floun·ders
Origin:
Origin: Middle English
Origin: , from Anglo-Norman floundre
Origin: , of Scandinavian origin; see plat- in Indo-European roots
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