Pronunciation

change

Singular
flounder

Plural
flounders or flounder

  1. (countable) A flounder is a flatfish of the family Pleuronectidae or Bothidae.
  2. (countable) A bootmaker's tool for crimping boot fronts.

Plain form
flounder

Third-person singular
flounders

Past tense
floundered

Past participle
floundered

Present participle
floundering

  1. (intransitive) If you flounder, you make clumsy attempts to move or regain balance.
    Robert yanked Connie's leg vigorously, causing her to flounder and eventually fall.