What does "roughshod" mean?

Of a horse: having hooves shod with horseshoes that have calks or projecting parts to prevent slipping.

What is a synonym for "roughshod"?

Common synonyms include: barbarous, brutal, cruel, fell, heavy handed, heavy-handed.

//ˈɹʌfʃɒd// adj

adj ·Uncommon ·Advanced level

Adjective

1
Of a horse: having hooves shod with horseshoes that have calks or projecting parts to prevent slipping. not-comparable
"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."
2
Brutal or domineering. broadly, not-comparable
"She proved to be completely defenseless against her husband, both because of her own culture that demanded abject submission to the male, and because of her fearful reaction to his roughshod behavior toward her."

Adjective

1
unjustly domineering wordnet
2
(of persons or their actions) able or disposed to inflict pain or suffering wordnet
3
(of a horse) having horseshoes with projecting nails to prevent slipping wordnet