She was unintentionally inaccurate.

She was unintendedly inaccurate.

Which one is the better choice/more idiomatic?

  • 1
    You should look into the definitions of intent and intend, then add what is unclear. To me it is possibly on purpose vs. by mistake.
    – user3169
    Dec 17, 2017 at 22:17

2 Answers 2


The first is the better choice. But oh that double negative! Being intentionally inaccurate is deception.

She did not intend to deceive.


I would definitely say "unintentionally." I've never heard anyone say "unintendedly." If that's a word, it sounds really antiquated.

I'm not sure that I agree with the other answer that says a double negative is bad in this case. Double negatives can make things confusing, but as a native speaker, I don't find your phrase confusing. Depending on the context, I think it could be very appropriate, in fact.

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