1. made less expensive or reduced the price of something
Usage: past tense of cheapen
2. made something seem less valuable, dignified, or worthy of respect
Usage: past tense of cheapen

Examples

• The store cheapened all winter coats by 50 percent.
• Mass production cheapened the cost of manufacturing.
• His crude jokes cheapened the formal ceremony.
• The scandal cheapened her reputation in the community.
• The company cheapened their brand by using inferior materials.
• The politician’s lies cheapened the importance of the debate.