No. 14,484 in Russian
ошибочны
Erroneous.
In a sentence
Ваши предположения о причинах аварии ошибочны.
Your assumptions about the causes of the accident are mistaken.
The word "ошибочны" describes the quality of being incorrect or mistaken concerning the assumptions being discussed.
Она считала, что его действия ошибочны.
She believed that his actions were wrong.
Here, "ошибочны" evaluates the nature of someone's actions as untrue or incorrect.
Их подход к решению проблемы оказался ошибочным.
Their approach to solving the problem turned out to be erroneous.
The adjective "ошибочный" (which "ошибочны" is derived from when plural) characterizes the quality of the approach as being flawed or wrong.
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