pyrrhic
/ˈpɪrɪk/ or /ˈpɪrɪh/Definitions
1. noun
a victory or achievement that is won at a great cost and results in no real benefit or advantage
“The company’s efforts to dominate the market ultimately led to a pyrrhic victory, as they suffered heavy financial losses and alienated their customers.”
2. adjective
winning or gained at a great cost or loss
“The pyrrhic success of the project was overshadowed by the devastating environmental impact of its construction.”