This is the 8348th most frequent Portuguese word.
uai
"Uai" is an informal interjection used in Brazilian Portuguese, particularly in Minas Gerais, to express surprise, doubt, or emphasis, similar to "huh" or "wow".
In this context, 'uai' is used to express surprise or disbelief.
Uai, você ainda não fez o trabalho?
Uai, haven't you done the work yet?
Here, 'uai' conveys realization or acknowledgment of an unexpected situation.
Uai, eu pensei que vocês já tivessem saído.
Uai, I thought you all had already left.
In this use, 'uai' is employed to emphasize the proposition or decision following a termed condition.