The phrase "arguably arbitrary" is correct and usable in written English.
It can be used when discussing something that can be considered arbitrary but is open to debate or interpretation.
Example: "The decision to implement the new policy was arguably arbitrary, as there was no clear rationale provided."
Alternatives: "potentially random" or "possibly capricious".
Just when delineations between European Union nations, the enigmatic Eurasia and Mother Russia seemed more malleable than ever, Sotheby's swoops in with their own diplomatic (albeit arguably arbitrary) solution -- the "Contemporary East".
They had moved from comfort and familiarity to poverty and disarray within the space of a fortnight (the notice given to those who lived close to either side of the newly drawn, arguably arbitrary border).
Why, they ask, is eating dog so different from eating cows or China's favourite meat, pork?The difference has less to do with the arguably arbitrary hierarchy into which humans sort animals into food and non-food, and more to do with rising incomes.
Our definition of traditional and new destinations is statistical and arguably, arbitrary for PMSAs that are close to the Mexican density cutoff of 4%.
Although this classification is arguably arbitrary, the significance of the estimated effects in all specifications at the 1% level gives strong support for the idea that destination countries in the South are endowed with unobserved factors that attract migrants.
Similarly, in a capital murder case, proof that a defendant suffers from an "intellectual disability" will spare a defendant from execution; in some states, this determination is made based largely on an arguably arbitrary IQ score cutoff (though the Supreme Court recently put some limits on this practice).
Any arbitrary outbreak can arguably be explained by either high intensity exposure (high R0) with a high level of prior immunity or a high rate of asymptomatic infection, or alternatively by a low R0 with less immunity, or by appropriate intermediate combinations [1].
The current popular economy ideology being 'Neo-Liberal Economics' espouses the Rule of Law for promoting (inter alia) stable property rights and curbing arbitrary governmental action which are arguably conducive to economic growth.
Those particular mathematical inputs and outputs depend upon our arbitrary choice of measurement units, so they arguably lack the explanatory significance that Egan assigns to them.
In conclusion, the SMS is compatible with an all-of-biodiversity perspective that views species collectively, avoiding the seemingly arbitrary "bits and pieces" approaches to individual species priorities that arguably are poorly justified given our poor knowledge.
Arguably, some existing systems have ample institutional mechanisms in place to prevent physicians and investigators from exercising arbitrary control, even without informed consent rights, and yet the latter remains important.
