1. The first reply or reaction to an initial statement, proposal, or action in a dialogue, negotiation, or game
His opening response to the criticism was defensive and dismissive.
Sua resposta de abertura à crítica foi defensiva e dismissiva.
2. In chess, the first moves played in reply to an opponent's opening gambit
Black's opening response to the Ruy Lopez was the Morphy Defense.
A resposta de abertura do preto à Ruy Lopez foi a Defesa Morphy.
3. In communication or negotiations, the initial statement made after an introductory remark
The candidate's opening response impressed the interview panel.
A resposta de abertura do candidato impressionou o painel de entrevista.