refute
US /rɪˈfjuːt/
UK /rɪˈfjuːt/

1.
refutar, desmentir
prove (a statement or theory) to be wrong or false; disprove.
:
•
These claims have been refuted by the evidence.
Essas alegações foram refutadas pelas evidências.
•
It is difficult to refute his argument.
É difícil refutar o argumento dele.
2.
negar, contestar
deny the truth or accuracy of (a statement or theory).
:
•
He attempted to refute the allegations.
Ele tentou refutar as alegações.
•
The company refuted claims of unsafe practices.
A empresa refutou as alegações de práticas inseguras.