The phrase "argument is powerful" is correct and usable in written English.
It can be used when discussing the strength or impact of a particular argument in a debate, essay, or discussion.
Example: "In the context of climate change, the argument is powerful, as it highlights the urgent need for action."
Alternatives: "the case is compelling" or "the reasoning is strong."
The argument is powerful for the faithful – the Earth is God's gift to humanity.
This argument is powerful but insufficient, and the administration should ask the commission to find another location.
Norm Stamper's argument is powerful because he is talking about a riot– and he still says escalating to more violent means was a mistake.
Doing this, the critics argue, legitimises ultranationalists in eastern Europe who downplay the Holocaust, exaggerate their own suffering and dodge guilt for their own collaboration with Hitler's executioners.That argument is powerful but unfair.
The conceptual argument is powerful, and most of the authors' suggestions are common sense at its best: Set up 401(k) programs so that employees have to opt out if they want, rather than making them opt in.
This argument is powerful, but can be challenged.
Making an environmental argument was powerful, but what really moved the needle was hearing about the number of other guests who reused their towels.
Many of Davies's arguments are powerful and timely, if unduly pessimistic.
"Both the evidence and our arguments were powerful and had merit," he said.
The reader is given every encouragement to believe that the reason why Socrates is successful in persuading his interlocutors (on those occasions when he does succeed) is that his arguments are powerful ones.
The Higgs mechanism itself was invented to preserve such symmetry while giving mass to force-carrying particles like the W and the Z. Simply put, symmetry arguments are powerful predictive tools.
