rode roughshod

• trampledStepped on heavily
• bulldozedDemolished by force
• dominatedControlled or overpowered
• crushedCompressed into fragments
• steamrolledDefeated overwhelmingly

oppressed · overpowered · disregarded · stomped · ruthless · tyrannized · merciless · cavalry · hooves · spurs · brutal · imperious · callous · dictatorial · roughshod · iron-fisted · heavy-handed · subjugated