(of a horse) having horseshoes with projecting nails to prevent slipping.
2.
(of persons or their actions) able or disposed to inflict pain or suffering. Synonyms:barbarous, brutal, cruel, fell, savage, vicious."Brutal beatings" , "Cruel tortures" , "Stalin's roughshod treatment of the kulaks" , "A savage slap" , "Vicious kicks"
3.
Unjustly domineering. Synonym:heavy-handed."A manager who rode roughshod over all opposition"
