debase

英[dɪ'beɪs] 美[dɪ'bes]

1. corrupt morally or by intemperance or sensuality;: "debauch the young people with wine and women"; "Socrates was accused of corrupting young men"; "Do school counselors subvert young children?"; "corrupt the morals"

3. corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones;: "adulterate liquor"