Turned over with the blade of a plough to create furrows (usually for planting crops). / (figuratively, rare) Well-trodden or well-researched, previously explored.

present participle of plough

(agriculture) The breaking of the ground into furrows (with a plough) for planting.

present participle of plough on

To continue with a task despite it being menial, difficult, or boring

present participle of plough into

simple past tense and past participle of plough on

To crash into something. / To engage in some activity with vigor. / (transitive) To invest a resource (money, material, energy) into something.

simple past tense and past participle of plough into

plural of ploughing