I am wondering which term would be the proper one to describe the problem. We have data sets that are named according to a certain naming convention. What should I call those names that don't follow this convention by, for example, having a dash instead of an underscore, extra characters, etc.? I feel like incongruent is more of an abstract term describing behavior for example. Are the names then inconsistent, nonconforming? Or is there another adjective to better describe it?

2 Answers 2


Nonconforming would work for me. But if everyone involved was aware of the naming conventions and didn't follow it, you could use noncompliant.

Here's how the California State Controller defines noncompliant on its website: "The public employer filed a compensation report that was incomplete, was in a format different than the one requested by the State Controller's Office, or was submitted after the reporting deadline and is currently in the review process.

  • That is a good another option, but in our case the discrepancy with the naming convention was caused by human error, rather than knowingly or intentionally.
    – Renat
    Aug 7, 2019 at 10:31

I'd suggest atypical as the most neutral.

Dictionary: not typical; not conforming to the type; irregular; abnormal

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