Every penny Definition 1 of 2Pro Tip 1/3Total Commitment Use when someone invests all their resources or effort into something. She put every penny into renovating her house. Pro Tip 2/3Financial Focus Highlights the entirety of one's spending or saving on a single goal or item. They saved every penny to send their kids to college. Pro Tip 3/3Metaphoric Meaning May not always refer to literal money but can indicate complete usage of any resource. He put every penny of his energy into the project.