The phrase "a more overwhelming" is correct and usable in written English.
It can be used when comparing the intensity or impact of something to indicate that it is greater than another.
Example: "The storm was a more overwhelming experience than I had anticipated."
Alternatives: "a greater intensity" or "a more intense".
But, while there were many people in town who would vote Communist, Maria's focus groups provided a more overwhelming trend.
P.P.S.: Rollo Romig, the blogs editor, sends the following word: I saw Lewis speak once at Columbia College, in Chicago, and I've never been in the same room with a more overwhelming singular presence.
With a more overwhelming mandate than the one secured by Tony Blair in 1994, Corbyn is in a strong enough position to be loyal to his convictions and his friend.
This catastrophe left Rome completely uncovered; but Hannibal, having resolved not to attack the capital before he could collect a more overwhelming force, directed his march toward the south of Italy, where he hoped to stir up the peoples who had formerly been the most stubborn enemies of Rome.
In a more overwhelming way that's what the ayahuasca does too.
As per WHO recommendations, China should enforce the law in a more overwhelming manner, in the way of implementing comprehensive smoke-free legislation (i.e., ban smoking rooms, without exceptions), promoting local TC legislation, and running more educational campaigns.
"But at the same time, I think there is some sense that the park is a little more overwhelming to a team that spends half its time there, as opposed to a team that comes in for three games, doesn't really have to alter its approach or think about it too much and leaves".
Maybe you first feel joy and then the reality sinks in as the weeks pass and the doctor visits became a little more overwhelming, then maybe you feel a little fear.
There is possibly a no more overwhelming death in cinema than the one that ends this adaptation of Thomas Mann's novella of homosexual desire.
"When I was playing for Leeds I would go home and completely forget about work, but being a rugby league player who had been brought in and the attention that that attracted in the town was a bit more overwhelming than my day-to-day work".
