misdump /ˈmɪsdʌmp/noun 1/mɪsˈdʌmp/ verb 1forms 3 noun1 •An act of misdumping.On September 3 the terminal manager spoke with the employer's president and told him that the last misdump was the driver's third mistake. — 1973 misdump /mɪsˈdʌmp/ verb1 •To dump incorrectly, such as at the wrong place or time, or to dump something that should not have been dumped.The buckets used in depositing concrete were faulty and a considerable loss of concrete was caused by misdumping. — 1908 formsmisdumped · misdumping · misdumps