mismold noun 1verb 1forms 3 noun1 •The act of mismolding.Hydrostructionists, for this reason, have shifted to the use of imperfect concrete pipe, which is culled from construction damaged items or factory mismolds, with a great deal of success. — 1976 verb1 •To mold improperly, producing an unintended result.Overindulgence in certain "malignant” or disabling wishes, and for them parents and teachers should early be on guard, is likely to deform or mismold the personality. — 1948 formsmismolded · mismolding · mismolds