Plough on Definition 1 of 3Pro Tip 1/3Steadfast Attitude Conveys determination in face of trouble or opposition. She ploughed on with her studies, even when it got challenging. Pro Tip 2/3Not Easily Discouraged Shows someone isn't deterred by setbacks or negative opinions. He ploughed on with his plan, despite warnings from friends. Pro Tip 3/3Against Odds Used when continuing with something many think will fail. The director decided to plough on with the project, against all odds.