The phrase "as ungrounded" is correct and usable in written English.
It can be used to describe something that lacks a solid foundation or basis, often in a context of arguments or beliefs.
Example: "His claims about the project were as ungrounded as the rumors circulating in the office."
Alternatives: "as baseless" or "as unfounded".
In his answers, he seldom sounds as ungrounded as when he invokes Professor Trump, the younger brother of his father, Fred.
As ungrounded rumors go, the frothiest of all have concerned Bill and Hillary Rodham Clinton.
Historian Edward Gregg dismissed the rumours as ungrounded, as her father was essentially exiled from court, and the Hanoverians planned to marry George to his first cousin Sophia Dorothea of Celle as part of a scheme to unite the Hanoverian inheritance.
But the subject had popped into his head as Mr. Tower considered what he has come to view as an ungrounded legacy from his years at two of the most influential American restaurants of the 1970's and 1980's: Chez Panisse, in Berkeley, and Stars, in San Francisco.
The propeller-head image and the academic credentials of Obama's economic advisers have given them a reputation as theorists ungrounded in political realities.
"We consider the attempts to accuse Russia of violation of U.S. laws and even some sort of conspiracy, which on top of all that are accompanied by threats, as absolutely ungrounded and unacceptable," Mr. Lavrov said in Moscow.
It is also possible that experimenters viewed the methodology as impractical, ungrounded or unethical (Roese & Jamieson, 1993).
"We consider the attempts to accuse Russia of violating U.S. laws and even some sort of conspiracy, which on top of all that are accompanied by threats, as absolutely ungrounded and unacceptable," Lavrov said.
Dávid later argued that worship and prayer to Christ are as inappropriate and ungrounded in scripture as the Catholic cults of Mary and the saints.
As McDaniel (2009) notes, however, Parsons is apparently forced to treat facts of the form x is F at r as unanalyzed and ungrounded, which one might take to be a drawback.
For his part, Mr. Green, a Democrat, portrayed Mr. Bloomberg as a wealthy, politically ungrounded novice.
