stigmatize
词根词缀：
astigmatic adj. 散光的
a 无 + stigma 标志；斑点 + tic 有…性质的，属于…的，具有…的 → 聚不到一个点 → 散光的
stigma n. 污点；不名誉的事
stigmatize v. 玷污
stigm 标志；斑点 + atize → 给〔别人〕加污点 → 玷污
数据来源：新东方英语词汇速记大全
相关例句：
They stigmatize these propositions as "trifling" or "merely verbal".
他们把这些命题贬称为琐碎或只是咬文嚼字罢了。
They are often stigmatized by the rest of society as lazy and dirty.
他们经常被社会中的其他人污蔑为懒惰、肮脏。
Support educational programs to change social attitudes which stigmatize and discriminate against prostitutes and ex-prostitutes of any race, gender or nationality.
◎支持教育计划，改变对各种族、性别、或国籍的现任或退休娼妓予以污名化及歧视之社会态度。
This frequently meant preventing commoners from imitating the appearance of aristocrats, and sometimes also to stigmatize disfavored groups.
这经常用来表示阻止平民模仿贵族的外部形象，有时用来表示蔑视不受支持的团队或组织。