D defs.my
Entry 1 sense Webster, 1913

Roughshod

/rŭf'-shäd'/ · Rough·shod · IPA /ˈɹʌfʃɑd/
01 a. Shod with shoes armed with points or calks; as, a roughshod horse.
  1. 1.
    Shod with shoes armed with points or calks; as, a roughshod horse.
Phrases & compounds
To ride roughshod — to pursue a course regardless of the pain or distress it may cause others.