The phrase "a workable definition" is correct and usable in written English.
It can be used when discussing a definition that is practical and can be applied effectively in a given context.
Example: "In our discussion, we need to establish a workable definition of success that everyone can agree on."
Alternatives: "a practical definition" or "an applicable definition".
A workable definition of ecosystem is necessary to manage ecosystems successfully.
A Whitehall source confirmed to the Guardian that the struggle to find a workable definition had proved problematic.
He even proffered a workable definition: "processes, attitudes and behaviour which amount to discrimination through unwitting prejudice, thoughtlessness and racist stereotyping which disadvantage minority ethnic people".
With Pillars of Eternity, a workable definition is completing the core narrative in a single-player campaign and receiving an achievement.
And the Press Complaints Commission's code of conduct also provides a workable definition of public interest, which includes "preventing the public from being misled".
The vice president with the weaker power base soon resigned in the face of his inability to consolidate a workable definition of his responsibilities.
Looking at Southampton, maybe we can see that a more workable definition of modern footballing success is simply having a plan and executing it well, being able to ease the anxiety levels of a whole watching world's worth of fans with the reassurance that you know where you want to go and have an idea of how best to get there.
If you have a nice workable definition of terrorism and terrorists, apply it equally and fairly if you have the intellectual honesty.
These definitions are currently under review (as part of the review of the much-criticised Independent Safeguarding Authority) and hopefully a more workable definition can be found, as the current position seems highly likely to lead to confusion all round.
Theresa May has also promised to "drive extremism out" of the public sector – rehashing a not-at-all-totalitarian-sounding "full spectrum" programme that failed to get anywhere in 2015 because it was difficult to find a legally workable definition for "extremism".
The lack of a concise and workable definition of global health also affects the policy stream.
