freethinker
英 [ˌfriːˈθɪŋkə(r)]
美 [ˌfriːˈθɪŋkər]
n. (尤指宗教教义的)自由思想者，思想自由的人
复数：freethinkers
牛津词典
noun
- （尤指宗教教义的）自由思想者，思想自由的人
a person who forms their own ideas and opinions rather than accepting those of other people, especially in religious teaching
柯林斯词典
- 自由思想家;独立思考者
If you refer to someone as afree-thinker, you admire them because they work out their own ideas rather than accepting generally accepted views.
英英释义
noun
- a person who believes that God created the universe and then abandoned it