"completely puzzled" is a correct and usable phrase in written English.
You can use it when describing someone's confusion or bewilderment after being presented with a problem or a difficult situation. Example: When the teacher asked Tom to solve the math problem, he was left completely puzzled.
Now, he was completely puzzled and dismayed at the turn his life had taken.
"I'm completely puzzled by it," said Peter J. Woolley, a professor of comparative politics at Fairleigh Dickinson University.
Re "73 Options for Medicare Plan Fuel Chaos, Not Prescriptions" (front page, May 12): In addition to being outraged by the Medicare plan, I am completely puzzled, not just by the apparent complexity of the plan, but also by how it was passed by both Democrats and Republicans.
"If I am a student dealing with a robot teacher and I am completely puzzled and yet the robot keeps presenting new material, that's not going to be very useful to me.
Descartes was completely puzzled by just this rational character and semantic coherence of thought processes so much so that he failed to even imagine a possible mechanistic explication of it.
One of the OceanX divers, Stefan Hogeborn, a veteran of more than 6,000 dives in his 20-year career, is completely puzzled by what he saw.
Since the nausea started, she'd avoided the kitchen completely, so I was puzzled when I found her leaning against the counter this morning, after saying goodbye to her husband.
Rarely do we see her puzzle completely through a thought.
All of the dungeons have completely different puzzles and layouts.
Puzzled, since it was out of the way and completely unnecessary, I asked him why.
Seven isn't a huge number, but the completely arbitrary and often public nature of those assaults has police puzzled.
