The company's latest cell phone has no 'rival/rivals'. [=the company's newest cell phone is much better than all others available]
The company's paper is the 'rival' of any in the world. [=it is as good as any paper in the world]
He told a 'rival' version of the story. [=a version that disagrees with another version]
(..) Nicked all his Smurfs? Broke his Action Man? Finished. We both know what's coming, John. Moriarty is obsessed, he's sworn to destroy his only rival. So you want me to watch out for your brother because he won't accept your help? If it's not too much trouble? Excuse me. Sorry. (..)2012 TvShow: Sherlock Title: The Reichenbach Fall Season: 2 Episode 3