The quality of being genuine or truthful in one's intentions or feelings.

ईमानदारी की गुणवत्ता

English Usage: Her sincereness in expressing her feelings earned her many friends.

Hindi Usage: अपनी भावनाओं को व्यक्त करने में उसकी ईमानदारी ने उसे कई दोस्त दिलाए।