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Past participle: bastardised
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|Verb||1.||bastardise - change something so that its value declines; for example, art forms|
corrupt, debase, debauch, demoralise, demoralize, deprave, misdirect, pervert, profane, vitiate, subvert - 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.||bastardise - declare a child to be illegitimate|