Crack on Definition 1 of 3Pro Tip 1/3Time Sensitivity Used when there's urgency or a need to hasten the ongoing activity. We have to crack on with this project, the deadline is tomorrow. Pro Tip 2/3Emphasis on Progress Highlights the importance of moving forward in the task or discussion. Enough talk, let's crack on with the implementation. Pro Tip 3/3Colloquial Urging Often used to motivate someone to start or keep going with a task. Come on, crack on with it, or we'll never finish!