The phrase "as senseless" is correct and usable in written English.
It can be used to compare something to another thing that lacks meaning or purpose.
Example: "His argument was as senseless as a child’s tantrum."
Alternatives: "equally absurd" or "just as meaningless".
"Even in a book it would be just as senseless as in real life.
As the novel draws to a violent close, its story seems nearly as senseless as the horrors it depicts.
On Tuesday, Attorney General Eric Holder Jr. properly denounced these laws as senseless invitations to "sow dangerous conflict in our neighborhoods".
She thinks of her grandmother, "fundamental and as still as a root," and it seems senseless to say that she is dead, "just as senseless as it is to say I myself am alive".
More than a hundred years have passed since the First World War began, and, even though our world has advanced in so many ways, too many things have remained as senseless as they were a century ago.
Not as senseless as Louis Saha ruling himself out of the 2006 final by getting booked after coming on in stoppage time in the semi-final, but certainly not smart.
And refusing to lower your own trade barriers unless your trading partners reciprocate by lowering theirs is just as senseless as refusing to invest in roads, education or other public infrastructure until other countries promise to do the same.In this section Scotched Who needs the WTO? Passing the buck Thailand's bright idea A bank war in Warsaw What's in a name?
This is as senseless as if in World War II we had decided that the First Infantry Division, which had gone ashore in North Africa and Sicily, was to be disbanded and replaced on D-Day with a division that had no experience landing on hostile ground.
For to say that the universe was an aggregate of bare particulars would be as senseless as to say that it was Fire or Water or Experience.
Otherwise, wondering whether something that is, admittedly, pleasant, is good would be as senseless as wondering whether a given pleasant thing was pleasant.
