1. An end result or consequence that fails to meet expectations and causes disappointment
The disappointing outcome of the match left fans frustrated.
O resultado decepcionante da partida deixou os torcedores frustrados.
2. An unsatisfactory conclusion to a situation, event, or process
Despite their efforts, the disappointing outcome of the negotiations was inevitable.
Apesar dos esforços, o resultado decepcionante das negociações era inevitável.