This is the 1388th most frequent Portuguese word.
pronto
Ready.
Here, "pronto" is used as an adjective meaning "ready."
O jantar está pronto.
The dinner is ready.
"Pronto" indicates that someone is prepared or ready for a specific action.
Ele estava pronto para partir.
He was ready to leave.
In this usage, "pronto" functions as an interjection meaning "Done!" or "Finished!