The verb debase has 3 senses (no senses from tagged texts)
1. corrupt, pervert, subvert, demoralize, demoralise, debauch, debase, profane, vitiate, deprave, misdirect -- (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")
2. debase, alloy -- (lower in value by increasing the base-metal content)
3. adulterate, stretch, dilute, debase -- (corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones; "adulterate liquor")