Synonyms for Roughshod (same or very similar meaning)
WordNet sense 1 (wearing footgear):
shod, shodden, shoed
WordNet sense 2 ((of persons or their actions) able or disposed to inflict pain or suffering):
barbarous, brutal, cruel, fell, savage, vicious
WordNet sense 3 (lacking and reflecting lack of pity or compassion):
inhumane
WordNet sense 4 (unjustly domineering):
heavy-handed
WordNet sense 5 (tending to domineer):
domineering
From the ODE community, based on WordNet
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