Pass up Definition 1 of 2Pro Tip 1/3Opportunity-Related Often used when someone willingly ignores a beneficial opportunity or choice. He passed up the chance to work with a renowned scientist. Pro Tip 2/3Requires Action Implies an active decision to say no, rather than simply missing out. Even with the discounts, Jenna passed up the jacket. Pro Tip 3/3May Indicate Priorities Shows the person's values or current priorities may be different. She passed up the job offer to focus on her studies.