This is the 10780th most frequent German word.
ruge
It seems "ruge" is not a standard German word. Could you mean something else, like "Rüge" (reprimand or rebuke)?
In this sentence, 'Rüge' is used as a noun meaning 'reprimand' or 'admonition' to denote a formal expression of disapproval.
Die Rüge des Lehrers war streng.
The teacher's reprimand was strict.
This example uses a formal, though archaic form 'ruge', of the verb 'rügen', which means 'to reprimand' or 'to admonish'.
Er ruge die Schüler zur Ordnung.
He reprimanded the students for order.
Here, 'Rüge' again functions as a noun referring to the concept or impression of a reprimand.