degrade

Từ điển Oxford Advanced Learner 8th

de·grade [degrade degrades degraded degrading] BrE [dɪˈɡreɪd] NAmE [dɪˈɡreɪd] verb
1. transitive ~ sb to show or treat sb in a way that makes them seem not worth any respect or not worth taking seriously
•This poster is offensive and degrades women.
2. intransitive, transitive ~ (sth) (technical)to change or make sth change to a simpler chemical form
3. transitive ~ sth (technical)to make sth become worse, especially in quality
Verb forms:

Word Origin:
late Middle English: from Old French degrader, from ecclesiastical Latin degradare, from de- ‘down, away from’ + Latin gradus ‘step or grade’.

• Từ đồng nghĩa / Synonyms:
  cheapen, take down, disgrace, demean, put down