The phrase "a disputable" is correct and usable in written English.
It can be used when referring to something that is open to debate or argument, indicating that it is not settled or agreed upon.
Example: "The validity of the research findings is a disputable matter among experts in the field."
Alternatives: "a debatable" or "a contentious".
"It's not a disputable thing," he says.
His celebrations were cut short by a disputable offside call.
Some of these instances are clear-cut, while others fall into a disputable gray area.
The larger the electorate, the smaller the chances of a disputable outcome.
But unleashing students is a disputable concept, particularly in complicated learning environments.
Self-assessments and interviews after a fire evacuation are found to be a disputable method for research on human behaviour in fire.
Security design is a complex and ambiguous task not made any easier by ignorant gotcha journalism that can't distinguish between an disputable compromise and a "backdoor".
At first glance, a quasilinear dependence between P and A is disputable, because P and A have different variations with respect to a variable expressing length.
It requires, among other things, a certain (disputable) characterisation of mathematics; an insistence that a "complete" description of external reality must be defined in a form "devoid of any human baggage like 'particle'observationior' otherher words"; and it is obliged to argue – given that mathematical structures are static objects – that time and physical motion are illusory.
Why should anyone renounce their way of life for the sake of a highly disputable theory about what might be rational in a hypothetical situation that might not be even be imaginable?
Arguably, a perfect example of a modern day "disputable matter" a la Romans 14, in which case, we should all "agree to disagree": Maintain our different convictions, but not judge each over them, not insist on excluding each other over such matters, and continue to work together in the name of Jesus to do things like alleviate suffering for orphans in abject poverty.
