Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb bastardise

2 senses of bastardise

Sense 1
bastardize, bastardise -- (change something so that its value declines; for example, art forms)
       => 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")

Sense 2
bastardize, bastardise -- (declare a child to be illegitimate)
       => declare, adjudge, hold -- (declare to be; "She was declared incompetent"; "judge held that the defendant was innocent")