1. in a way that shows little interest or effort; done merely as a routine duty

Examples

• She perfunctorily checked her email without reading the messages carefully.
• The security guard perfunctorily glanced at our IDs before waving us through.
• He perfunctorily applauded at the end of the speech.
• The teacher perfunctorily graded the papers, missing several obvious errors.
• The receptionist perfunctorily greeted each visitor with the same scripted phrase.
• She perfunctorily signed the documents without reviewing the terms.