depreciate
Definition
To decrease in value over time, often due to wear or market conditions. It can also mean to belittle or devalue someone or something.
日本語 価値が時間の経過とともに減少することが多く、摩耗や市場状況によることもある。また、誰かまたは何かを小さく見做したり価値を下げたりする
Example
"The car began to depreciate in value as soon as it was driven off the lot."