IPA: /nɒnˈraɪvəl/
KK: /nɑnˈraɪvəl/
Describing something that is not in competition with others, meaning that one person's use does not reduce the availability for others.
The internet is a nonrival resource; many people can use it at the same time without affecting each other's access.
A person who does not compete with others; someone who is not an opponent.
In the game, he was a nonrival, always supporting his teammates instead of competing against them.
Nonrival → It is formed from "non-" (meaning not) and "rival" (from Latin "rivalis", meaning one who competes). The word "nonrival" means not having a competitor or not being in competition with others.
Think of 'not' ('non-') being combined with 'competitor' ('rival') to remember that 'nonrival' means there is no competition.