Non-zest Share definition Flag 1. Lacking flavor or zest; not tasty; insipid. 2. One who lacks Zest. "He is such a non-zest--all his conversation is completely draining the life from me." Non-zest by Zesties November 22, 2004 0 0 Get merch Get the Non-zest mug. Buy Now — $32.95 See more merch
