The phrase "almost astounding" is correct and usable in written English.
It can be used to describe something that is nearly impressive or surprising, but not quite to the fullest extent.
Example: "The results of the experiment were almost astounding, revealing unexpected patterns in the data."
Alternatives: "nearly incredible" or "virtually remarkable".
It's almost astounding that someone could find a way to paint Jo Brand's success as a result of misogyny.
One expert on African-American politics, David A. Bositis of the Joint Center for Political and Economic Studies, called those numbers "almost astounding".
World Wide Wine Web Site Almost astounding in its breadth and depth, www.travelenvoy.com/wine lists virtually every winery in the United States and a majority worldwide, with contact information, Web site addresses and direct links to the wineries.
Jonathan Schultz, president and chief executive of Schultz Organization/TCN Worldwide, called New Jersey's retail property its "fair-haired asset," adding that "an almost astounding amount of investment capital," coming from all sorts of sources, continues to chase it.
It's hard to imagine, then, that as these changes took place, there was an almost astounding revival of pop culture in Pakistan.
Almost immediately, the scenery changed from asphalt to astounding.
By almost any measure, the success of the Movement for Democratic Change is astounding.
There was, sir, almost the implication that you put him up to it".Apart from astounding me, this revelation had the effect of engendering a poignant anguish.
It is astounding the number of lunar gods and goddesses there are, although our celestial body is almost always thought to be feminine, I learned.
Compared to those of almost all other documentaries, the budget ($3.5 million) and equipment (Gibney used 10 cameras on some Tour de France stages) was astounding.
That growth is astounding.
