n. 25B6; verb
the fields were ploughed : TILL, furrow, harrow, cultivate, work, break up.
the car ploughed into a lamp post : CRASH, smash, career, plunge, bulldoze, hurtle, cannon, run, drive; N. Amer. informal barrel.
they ploughed through deep snow : TRUDGE, plod, toil, wade; informal slog; Brit. informal trog.