The phrase "deep sense of purpose" refers to a strong and profound motivation or drive towards achieving something that is considered important, meaningful, or worthwhile. Full definition
It has the potential to overhaul company culture by instilling a deeper sense of purpose — even across mundane, repetitive tasks. (inc.com)
This will allow you to connect with a deeper sense of purpose, which can provide you with greater motivation when the going inevitably gets tough. (inc.com)
You can see that she has a deep sense of purpose. (entrepreneur.com)