a person,group, etc.competing with others for the same thing or in the same area
He beat his closest/nearest rival by 20 marks.
The companies produce rival versions of the toy.
The two companies emerged as strong rivals in the fiercely competitive market.
The chess grandmasters were longtime rivals, each vying for the championship.
As political rivals, they engaged in a heated debate on national television.
The fierce rivalry between the sports teams captivated fans worldwide.