A heroic or extraordinary deed.
"The explorer's daring rescue of his stranded team became a legendary exploit in history."
In plain English: An exploit is an impressive achievement that shows great skill or bravery.
"The team decided to play with full exploitation of their opponent's weaknesses."
To use for one’s own advantage.
"The company decided to exploit the market gap before their competitors could react."
In plain English: To exploit something means to take unfair advantage of it for your own benefit.
"The team decided to exploit their opponent's weakness during the final minutes of the match."
The word entered English from Old French as esploit, originally referring to a military achievement or deed. Over time, its meaning shifted in the modern era to describe taking advantage of something for one's own benefit.