A mammal that is thick-skinned, such as elephants or hippos.

Characteristics that are impervious to criticism or insensitivity.

आलोचना के प्रति असंवेदनशीलता

English Usage: His pachydermous qualities made him unbothered by the harsh comments.

Hindi Usage: उसकी मोटी स्किन वाली विशेषताओं ने उसे कठोर टिप्पणियों से प्रभावित नहीं होने दिया।