From Middle English misdon, from Old English misdōn(to do evil, transgress, do amiss, err), from Proto-Germanic *missadōną(to do wrongly), from *missa-(mis-), *dōną(to do), corresponding to mis- +‎ do. Cognate with Old Frisian misdūa(to misdo), Dutch misdoen(to offend, do wrongly), Middle Low German misdōn(to misdo), Middle High German missetuon(to transgress, offend, blame). More at mis-, do.



misdo (third-person singular simple present misdoes, present participle misdoing, simple past misdid, past participle misdone)

  1. (archaic, intransitive) To do evil.
  2. (transitive) To do (something) incorrectly or improperly.
    • Milton
      Afford me place to show what recompense / Towards thee I intend for what I have misdone.
  3. (archaic, transitive) To do harm to; to injure, mistreat.
    • 1485, Sir Thomas Malory, chapter xij, in Le Morte Darthur, book V:
      thēne cam out a duchesse / & Clarysyn the countesse with many ladyes & damoysels / and knelyng bifore kynge Arthur requyred hym for the loue of god to receyue the cyte / & not to take it by assaulte for thenne shold many gyltles be slayne / thēne the kyng aualyd his vyser with a meke & noble coūtenaūce / & said madame ther shal none of my subgettys mysdoo you ne your maydens