Answer:
It is a verb that means to stagger, or move unsteadily.
Explanation:
Sentence example: <em>Josh floundered through the shallow river to meet his golden retriever on the other side.</em>
To<em> flounder</em> could also mean to struggle mentally.
HERE
to struggle with stumbling or plunging movements (usually followed by about, along, on, through, etc.): He saw the child floundering about in the water. to struggle clumsily or helplessly: He floundered helplessly on the first day of his new job.