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Discover LudwigThe phrase "a good key" is correct and usable in written English.
It can be used when referring to an effective or useful key, such as in a metaphorical sense or in the context of solving a problem.
Example: "Finding a good key to understanding the complex theory made the study much easier."
Alternatives: "an effective key" or "a valuable key".
Exact(10)
Okay, so that's a good key.
Etymology gives us a good key to understanding radicalism.
This is how you get a good key.
Dinner, typically a fish creole with salad and fresh-baked bread and a good key lime pie, costs $12 to $15, depending on the entree; it is served casually, family style on the open-air deck; wine and beer are available.
A comparison of the percentage pollen values between traps P3 and P6 and the surface samples of two previously analysed cores shows the usefulness of the pollen trap results in interpreting the vegetation represented by the fossil pollen assemblages: pollen deposition monitored at different elevations is a good key for tracing past altitudinal changes in the treeline from the fossil record.
Effectiveness of these cryptographic techniques largely depends on a good key management scheme.
Similar(50)
"A good dynamic is key," she says.
Dorsey knew that choosing a good name was key.
But to make them work, a good binder is key.
Nuts are a good source of key nutrients, healthy fats, and protein.
"A good tenant is key," she says.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com