I. noun (plural flounder or flounders) Etymology: Middle English, of Scandinavian origin; akin to Norwegian flundra flounder Date: 15th century flatfish ,
II. intransitive verb (floundered; floundering) Etymology: probably alteration of founder Date: 1592 to struggle to move or obtain footing ; thrash about wildly, to proceed or act clumsily or ineffectually
