defect of reason
defect of reason. Archaic. 1. Mental illness. 2. Mental retardation. DEFECT OF SUBSTANCE defect of substance. An imperfection in the substantive part of a legal document, as by omitting an essential term. Cf. DEFECT OF FORM.
defect of reason. Archaic. 1. Mental illness. 2. Mental retardation. DEFECT OF SUBSTANCE defect of substance. An imperfection in the substantive part of a legal document, as by omitting an essential term. Cf. DEFECT OF FORM.