arch rival

Traductions
заклятый соперник
The two companies have been arch rivals for decades.
Эти две компании были заклятыми соперниками на протяжении десятилетий.
Définitions
An arch rival is a person or entity that is considered to be a primary opponent or competitor, often characterized by intense rivalry and competition.
Mots
arch

noun
арка
rival

noun
соперник