roughshod UK /ˈɹʌfʃɒd/US /ˈɹʌfʃɑd/adjective 2phrases 1 adjective2 •Of a horse: having hooves shod with horseshoes that have calks or projecting parts to prevent slipping.The horses fell down three times, the roads being slippery, and we walked three miles to Linlithgow. There we waited two hours, to have the fresh horses roughshod. — 1814 •Brutal or domineering.In the roughshod horny world of boys, I had studied my companions closely to make sure that I wasn't being too "queer" for them. — 2005 Phrases with roughshod ride roughshod overTo treat (someone) roughly or without care, control, moderation, or respect; to act in a bullying manner toward (someone); to damage (someone or something).