/ ˈtʃiːpən; NAmE / verb [ vn ]
1.
to make sb lose respect for himself or herself
SYN degrade :
She never cheapened herself by lowering her standards.
2.
to make sth lower in price :
to cheapen the cost of raw materials
3.
to make sth appear to have less value :
The movie was accused of cheapening human life.