This is the 16055th most frequent Russian word.
равнозначно
Equivalent.
Here, 'равнозначен' (equivalent to) is used to indicate that the action of choosing implies the rejection of other opportunities, showing equality or equivalence in effect.
Этот выбор равнозначен отказу от других возможностей.
This choice is equivalent to rejecting other opportunities.
'Равнозначно' (tantamount to) is used to express that the consequence of taking a test unprepared is equivalent to failing it.
Проведение теста без подготовки равнозначно провалу.
Taking a test without preparation is tantamount to failing.
The word 'равнозначна' (equal to) denotes that the mistake directly leads to the unreliability of the data, establishing equivalence in impact or meaning.