Antonym of SECULAR

righteous
religious
spiritual
moral

The correct answer is: A. righteous

A righteous person is someone who is morally good and does what is right. A secular person is someone who is not religious or spiritual.

B. religious: a person who believes in and follows a particular religion.
C. spiritual: relating to or affecting the human spirit or soul as opposed to material or physical things.
D. moral: relating to principles of right and wrong behavior.

A secular person may or may not be moral, but they are not necessarily religious or spiritual.