Roughshod

['rʌfʃɒd] or ['rʌfʃɑd]

(adj.) (of a horse) having horseshoes with projecting nails to prevent slipping .

Checked by Harriet--From WordNet

(a.) Shod with shoes armed with points or calks; as, a roughshod horse.

Checked by Abram

He's so absent-minded and goodnatured, he lets those boys ride over him roughshod. Louisa May Alcott. Little Women.

Checked by Abram