The phrase "radical opinion" is correct and can be used in written English.
Example: "His radical opinion on climate change sparked a heated debate among the panelists at the conference."
The salons became the transmission system of the French Enlightenment, creating, focusing and broadcasting radical opinion.
Samuel is a mentor for Channel, the Home Office's main anti-radicalisation programme, designed to engage with anyone who it is feared is being drawn to radical opinion of any sort.
Mary Ellen Butler, the Tribune op-ed editor, did not seem to appreciate what she considered a radical opinion, especially coming from a college student whose job it was to open mail and retrieve the afternoon papers.
"The idea that the police are being recruited to incarcerate women for failing to comply with the particularly radical opinion of the ultra-Orthodox rabbi... is a frightening invasion of fanatic religious opinions into women's real lives," she said.
If you are disenfranchised, a public figure that offers a radical opinion on precisely what you're dissatisfied with is exciting.
Given the lives that are unnecessarily lost in our country, Kaepernick's statement sounds less like a radical opinion and more like an undisputable fact.
The student accused Yang of spreading "radical opinions".
"Television has become the home for radical opinions," Mr. Fellows said.
I hate radical opinions – no one is ever absolutely right or wrong.
Ronald M. Dworkin of New York University said Mr. McConnell had "radical opinions" on abortion and other issues.
Her liberal and radical opinions in most fields of cultural life, and especially on love and marriage, led to controversy.
