'ungrounded claim' is correct and usable in written English.
You can use it when you are referring to an idea or opinion which is not backed up with evidence or proof. For example, "The politician's ungrounded claim that they had brought economic stability to the region was not credible."
The lesson here is less about the importance of military leadership and more about the risks of deferring to ungrounded claims that equality is harmful to our major institutions and to society itself.
The leadership of the Republican Party seems to pride itself in its ability to make extraordinary and ungrounded claims about their political opposition.
This is the claim, ungrounded in the constitution, that the president may withhold information from Congress or the courts and forbid his aides to testify if it would damage, in any way, the smooth operation of the executive branch.Presidents used to be fairly forthcoming with information.
In comparing the careers of Amanpour and Tapper, I was not seeking to subvert Mr. Tapper's journalistic merit, but to demonstrate - with colorful examples, yes - that Shales's claim was ungrounded and unfair.
Assuming that every fact is either grounded or ungrounded, we have two options with respect to ground: claim that there is some fact that grounds it, or claim that it's ungrounded.
Criticised by some as an attack on freedom of speech, the newly elected South Korean conservative government, led by Lee Myung-bak, has unveiled a package of reforms and laws aimed at curbing some of what it claims is the outrageously libellous commentary and ungrounded scaremongering found online.
This position, completely ungrounded in science or religion, is perhaps the most arrogant claim one can make on behalf of our species.
One way out of this argument is simply to claim that some real possibilities are primitive or ungrounded.
"You feel so ungrounded".
"They have a misguided, ungrounded aspiration.
