cheapen

1. V-T If something cheapens a person or thing, it lowers their reputation or position. 贬低

When America boycotted the Moscow Olympics it cheapened the medals won. 当美国抵制莫斯科奥运会时，所获奖牌的价值降低了。

Love is a word cheapened by overuse. 爱情这个词因滥用而变得廉价了。