unroast verb 2adjective 1forms 3 verb2 •Hypothetically, to undo the roasting of; to uncook.As a matter of fact, a standard joke in the coffee industry during October-November was that anyone could make a fortune if he could discover a means of "unroasting" coffee […] — 1950 •(rare) Among raw food enthusiasts: To process (vegetables) in a dehydrator, as an alternative to roasting them.I also use it for sprouting wild rice, quinoa, and unroasting vegetables, and it's great for melding flavors when you make a lasagna or veggie burgers. — 2014 adjective1 •Not roasted.[…] inasmuch as they disobey even the very law under which they place themselves; which expressly forbids the eating of flesh (unroast), and the drinking of blood, […] — 1850 formsunroasted · unroasting · unroasts