1. An achievement or daring deed that is believed or claimed to have happened, but may not be verified or true
The supposed exploit of the legendary hero turned out to be merely a myth.
O suposto feito do herói lendário mostrou-se ser apenas um mito.
2. A purported accomplishment or feat that lacks substantial evidence or confirmation
His supposed exploits in business were greatly exaggerated.
Seus supostos feitos nos negócios foram muito exagerados.