To degrade or lower in quality or value; to corrupt.

गुणवत्ता में गिरावट लाना

English Usage: The art of the original was bastardized by the forgers.

Hindi Usage: मूल कला को जालसाजों द्वारा गुणवत्ता में गिरावट लाया गया।

A person born of parents not married to each other.

अवैध संतान

English Usage: He was labeled a bastard due to his parent's circumstances.

Hindi Usage: उसे अपने माता-पिता की परिस्थितियों के कारण अवैध संतान कहा गया।