devalue
🇺🇸
/ˌdiːˈvæljuː/
🇬🇧
/ˌdiːˈvæljuː/
To make something worth less money or less value than before.
The government decided to devalue the currency to boost exports.
To consider something as less important or valuable than it should be.
They tried to devalue her achievements, but she proved them wrong.