undry adjective 1verb 1 adjective1 •(rare) Not dry.If paint is applied and is undry when evening comes, the frosty air of night may destroy the gloss and make the surface paint very unsightly. — 1920 verb1 •(rare) To cause (something) to be not dry.As we continued to "undry the throat" with a Cognac de guerre, Claudine suddenly interrupted. — 1947
