The phrase "as vehement" is correct and usable in written English.
It can be used to describe a manner or intensity of expression, often in relation to emotions or opinions.
Example: "She argued her point as vehement as a passionate advocate for justice."
Alternatives: "as intense" or "as forceful".
The angry eruptions at some of the demonstrations this summer against the Muslim center — with signs and slogans attacking Islam — were not as vehement as those staged against St. Peter's, Father Madigan said.
Susan Carpenter-McMillan -- once the spokeswoman for Paula Jones and now a candidate for a California State Assembly seat -- was as vehement as ever as she alighted from her car.
At some point, as with Nixon's bold breakthrough with China, undertaken against furious protests (just as vehement as Aipac would be on talks with Iran), the questions must be asked: "What do we want, what do they want, and what do we both want?" Areas of overlapping interest must be developed.
Not all American psychologists, even avowed Behaviorists, were quite as vehement as Watson in their denunciation of mentality in general, or imagery in particular, but his views certainly resonated with many.
In some ways, that support for Corbyn seems as vehement as ever.
Roseanne Barr's campaign for president of the United States might not have been as vehement as those of Barack Obama and Mitt Romney, but the comedian managed to place fifth in the 2012 general election.
Few writers have ever allied themselves to doubt with as much vehement certainty.
One of the odd things about this dispute is that Arthur Schwabe, the president of Premier, is just as quick and vehement as the union in asserting that the workers are not being paid what they're worth.
There is fine work from Michael Feast as a vehement mobster in two-tone shoes, Joe McGann as a hatchet-faced thug and Lizzy McInnerny as Ui's powerless female prey.
Since 1989, Reznor has sold sixteen million records as the vehement, brainy, obstinate, and modernist one-man band Nine Inch Nails.
"I'm tired of people beating around the bush," said Mr. Edgar, who described himself as a vehement gun proponent.
