'radical uncertainty' is correct and usable in written English.
You can use it to describe a situation in which the outcome is unknown or unpredictable. For example, "The future of this industry is fraught with radical uncertainty."
Sometimes economies need to adjust in conditions of radical uncertainty.
This is an era of radical uncertainty in the media business.
"South Africa has found itself in a state of uncertainty — radical uncertainty and extreme volatility".
The book produces a state of radical uncertainty, as the city outside the psychiatrist's window changes with each waking.
The populace will always have a preference for stories with plausible and clean conclusions over radical uncertainty".
This radical uncertainty at the very heart of the poem involves the fact that this incredibly important revelation is the product merely of the Father's voice.
The case is characterized by radical uncertainties due to the elusive life of flying squirrels, the strict conservation standard of the EU, and the pressure of urban development.
Dr Fox is sounding radical perhaps too radical, given the uncertainty about future threats.Up to 40 separate studies of defence expenditure are close to completion, which will be submitted to the NSC's small secretariat, led by the new national security adviser, Sir Peter Ricketts, a former head of the Foreign Office.
Thanks to imperfections, whether "sticky wages" or asymmetries of information, markets do not always clear, and overall demand can fall short of an economy's potential.Unfortunately, says Mr Skidelsky, this intellectual evolution has paid far too little attention to Keynes's other big insight, which regards "radical" or "irreducible" uncertainty as the root cause of economic instability.
Such situations include, among others, application of emerging technologies (high ambiguity) and radical innovations (indeterminate uncertainty).
This prediction was confirmed by a laboratory experiment in which self-uncertainty and group radicalism were manipulated in a 2 × 2 design (N = 82); the preference to identify with a moderate over a radical group disappeared under uncertainty because uncertainty strengthened identification with the radical group.
