In a manner that shows disdain or a lack of interest

अनादरपूर्वक

English Usage: She replied snubbingly to the criticism.

Hindi Usage: उसने आलोचना का अनादरपूर्वक उत्तर दिया।

Characterized by disdain or contempt

घमंडी

English Usage: His snubby attitude made it hard for him to make friends.

Hindi Usage: उसका घमंडी तरीका उसे दोस्त बनाने में मुश्किल करता था।