To make someone or something serious or more aware.

गंभीर करना

English Usage: The lecture helped to sober the students about their future responsibilities.

Hindi Usage: व्याख्यान ने छात्रों को उनके भविष्य की जिम्मेदारियों के बारे में गंभीर किया।

to make something grim or severe

गंभीर करना

English Usage: He grimmed the project with his harsh criticism.

Hindi Usage: उसने अपने कठोर आलोचना से परियोजना को गंभीर किया।