flounder

"The fisherman cast his line into the lake. "

"The cowboy relied on the local bootmaker to repair his worn-out riding boots. "

"The difficulty of the math problem made it hard for many students to solve it. "

"The fish flopped helplessly in the tiny remaining pool."

"The chef carefully filleted the flatfish, revealing the white meat beneath its uniquely shaped body. "

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"The beetle, flipped onto its back, floundered helplessly on the hot pavement. "

"After a glass of wine, her cheeks flustered, giving her a warm, happy glow. "

"What is your question?"

"We could color the walls red."

"During the centuries, the people of Ireland struggled constantly to assert their right to govern themselves."

"The complicated instructions on the new software difficult me from completing the project on time. "