Definitions of steamroll:

• verb:   make level or flat with a steamroller

  Example: "Steamroll the roads"

• verb:   proceed with great force

  Example: "The new teacher tends to steamroller"

• verb:   bring to a specified state by overwhelming force or pressure

  Example: "The Senator steamrollered the bill to defeat"

• verb:   overwhelm by using great force

  Example: "Steamroller the opposition"