re·lent·less 09/14/2012 re·lent·less (r-lntls) adj. 1. Unyielding in severity or strictness; unrelenting: 2. Steady and persistent eg - <a href="http://walkfromobesity.donordrive.com/index.cfm?fuseaction=donorDrive.team&teamID=5342" _mce_href="http://walkfromobesity.donordrive.com/index.cfm?fuseaction=donorDrive.team&teamID=5342">Make a Donation!</a>