The phrase "contested ideology" is correct and usable in written English.
You can use it to refer to an idea or set of beliefs that people disagree about and debate. For example, "The contested ideology of the nationalist party has been a point of debate for many years."
In North America, a substantial scholarly literature takes up the notion of modern motherhood as a contested cultural ideology, largely in the "unsettled" context of growing numbers of working mothers.
France is different from the U.K. and the U.S. in that it lacks a powerful tabloid press; elections, almost quaintly, continue to be contested on differences of ideology rather than fact.
Questions of ideology, highly contested by scholars and based on subjective assessments of motivation, appear inherently "non-factual".
The new ideology, however, was contested on both sides of the spectrum, by Maoists as well as by those supporting political liberalization.
The bill included points on "fighting stereotypical roles of women that may perpetrate violence", which was instantly contested by conservative MPs obsessed with the nebulous threat of "gender ideology".
The 1920s-1969 marks the "spiral of ideology", when the aftermath of the Great Depression marked an intensified and highly contested quest for alternative ideals, from communism and socialism to fascism.
But in "unsettled times," cultural discourses are more likely to take the form of competing ideologies, and action becomes more reflexive as cultural tool kits become both more visible and more contested.
Sports may become increasingly contested, with Asian and African cultures challenging 19th- and 20th-century hegemonic masculine notions regarding the content, meaning, control, organization, and ideology of sports.
The plurality of modern political ideologies implies a plurality of different conceptions of human nature – which implies, in turn, that the conservative understanding of human nature is contested.
