This is the 4543rd most frequent Catalan word.
oposar
To oppose.
In this sentence, "oposar" is used reflexively to indicate an act of resistance or opposition against a specific decision.
L'estudiant es va oposar fermament a la decisió del professor.
The student firmly opposed the teacher's decision.
Here, "oposar" means to present or put forward arguments that oppose or counter the proposal.
Els ciutadans van oposar arguments convincents contra la proposta.
The citizens presented convincing arguments against the proposal.
In this example, "oposar" is employed to convey the idea of contrasting or comparing differing ideas.