laymanEnglishOxford English Thesauruslayman noun 1 layperson, unordained person, member of the congregation, parishioner; laywoman. ▷antonyms clergyman. 2 non-expert, layperson, non-professional, amateur, non-specialist, man in/on the street; dilettante, enthusiast, dabbler. ▷antonyms professional, expert.layman Oxford Dictionary of English