1. in a manner characteristic of or befitting a plebeian; in a common, ordinary, or vulgar way
Usage: formal or literary; often used to describe behavior, speech, or taste considered unsophisticated or lacking refinement

Examples

• He spoke plebeianly, using slang and crude expressions that offended the refined guests.
• The mansion was decorated plebeianly, with gaudy furnishings that lacked taste.
• She dressed plebeianly compared to the other attendees at the formal gala.
• The author criticized how the character behaved plebeianly despite his wealth.
• His plebeianly simple tastes in food contrasted sharply with the chef's elaborate cuisine.