How to say "incorrectly, wrong" in Russian?

Неправильно

"incorrectly, wrong" is Неправильно in Russian.

Неправильно means "incorrectly, wrong" in English.

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Word #1949 of 4,000 by frequency in Russian — level B1.

Example

Ты сделал это упражнение совершенно неправильно.

You did this exercise completely wrong.