The phrase "a dubious role" is correct and usable in written English.
It can be used to describe a position or function that is questionable, suspicious, or lacking in credibility.
Example: "The politician played a dubious role in the scandal, raising concerns about his integrity."
Alternatives: "a questionable role" or "an uncertain role".
Their mistrust of Georgia is boosted by Russia's anti-Georgian propaganda.Russia, which fanned the conflict first by encouraging the Georgians, then backing the Abkhaz, has throughout played a highly dubious role.
Another former White House counsel, Jack Quinn, played an ethically dubious role in the affair.
A high point was in 1992 – our campaign against a mayor-elect who resigned after we revealed his dubious role in a planning application.
An accompanying display, "Indexing the World," is a gem, providing a brisk, buoyantly eccentric overview of the dubious role of photography in the quest to index the world.
An accompanying display put together by Mia Fineman, a Met curator, provides a brisk, buoyantly eccentric overview of the dubious role of photography in the quest to index the world.
Fast forward eight years to presidential campaign 2016, Pelosi isn't likely to utter a peep of criticism about the dubious role of super-delegates.
Michael Murphy's quietly disturbing play, drawn from documentary evidence, reveals with devastating clarity the dubious role that Cardinal Bernard Law, the archbishop of Boston, played in a tragedy that irreparably damaged hundreds of families and destroyed more than a few lives.
Meanwhile, Eok-Gwan, who's under investigation by internal affairs for his dubious role in another teen murder case — and clearly up for a bit of self-redemption — can't help but understand Sang-Hyeon's tactics as the lines blur between victim and criminal.
We learn little about the US's dubious role in supporting Marcos during his 20 years in power, not a lot about how people learned to live under martial law, and even less about who was finally responsible for Aquino's murder.
