The phrase "a direct rivalry" is correct and usable in written English.
It can be used to describe a clear and straightforward competition or opposition between two parties, individuals, or entities.
Example: "The two companies have established a direct rivalry in the tech industry, each vying for market dominance."
Alternatives: "an outright competition" or "a clear contest".
Therefore, any school that hoped to endure through this period had to enter into direct rivalry with the Academy and the Lyceum by establishing itself as did the Stoa a few years later in the city of Athens.
Although this second conception of substance is both clearer and more readily applicable than its predecessor, the difficulty about it from the metaphysician's point of view is that it sets him in direct rivalry with the scientist.
As for the competition from YouTube, Hulu and Netflix, Hovaghimian said there's no direct rivalry.
In some ways, what Indix is attempting to achieve has direct rivalry with Amazon, Google and possibly even WalMart.
Those international moves reignite Didi's direct rivalry with Uber, which ended in 2016 when the Chinese firm acquired Uber's China-based business.
Zameen, which also operates listings site Bayut in the UAE, plans to use the money to expand into Bangladesh and other countries in the Middle East, thereby increasing its direct rivalry with Lamudi.
A well-placed source with close ties to senior figures both in the LNR regime and the MGB told VICE News: "The MGB is in direct rivalry with the LNR leadership.
They have not met since that match in 2003 and yet there is a sense that a rivalry and tension has developed even without direct confrontations.
Once again, there's a sexy blonde, a rivalry and, just to keep things in the family, Mr. Rapp (who directs).
Known for his somewhat caustic humor and a habit of jumping around on the stage while directing, Sahlins had a famous rivalry with the late improv guru Del Close.
