The phrase "a less authoritative" is correct and usable in written English.
It can be used when comparing the level of authority or command of different subjects or sources.
Example: "The article presented a less authoritative perspective on the issue compared to the previous research."
Alternatives: "a more casual" or "a weaker authoritative".
But with a campaign in which "the associate is the hero, we needed a more plain-spoken voice, a less authoritative, less recognizable voice," he added, "so the associate would not be overshadowed".
On the other hand, modalization can be used to create a heteroglossic environment, to express deference to a superior in conversation (Eggins 1994, 194 195), or to create a less authoritative tenor to balance the power inequality in written texts (ibid, 315).
Spurred by the immediacy and rising role of new media, a less authoritative old media and a Broadway community unnerved by challenges to its longstanding aesthetic and social order, the attention shows no sign of dying soon.
Thile lowered his strings, which gives him a sweeter but less authoritative tone than Monroe's.
'In drama, we've tried to achieve a more contemporary, less authoritative approach,' he said.
Mr. Morris, an esteemed avant-garde guitarist, is less authoritative a bassist than William Parker, Mr. Shipp's longtime collaborator.
According to Google executive Ellen Leanse, saying "just" as a permission also sounds less authoritative – as does saying "I think" before an opinion, which makes you sound uncertain.
But skipping a day has a peculiar effect: these stacks seem far less authoritative all of a sudden — less like the paper and more like plain paper.
Such was the disappointment at Murray's non-appearance that, according to no less authoritative a source than Saturday's Guardian, experts predicted it could cost the economy £150m.
An authoritative blog linking to a video can drive it up in the rankings, as will a large number of less authoritative blogs.
Understand that any information gleaned in this way is less authoritative than obtaining a certified copy through a state Superior Court.
