mis·​deem | \ ˌmis-ˈdēm How to pronounce misdeem (audio) \
misdeemed; misdeeming

Definition of misdeem

1 intransitive archaic : to be mistaken : hold a wrong opinion Also at such times is the rich man become fearful, and so waxeth in cruelty, and of that cruelty do people misdeem that it is power and might waxing.— William Morris
2 T archaic
a : to have a mistaken opinion of : misjudge Nor misdeem me, that I … should be thus bold.— Edward Bulwer-Lytton
b : to think or suppose wrongly … but he misdeems that he is wise …— Percy Bysshe Shelley
3 transitive archaic : to mistake for something or someone else … the poverty ye know, which we for wealth misdeem— Aubrey De Vere

First Known Use of misdeem

14th century, in the meaning defined at sense 1

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The first known use of misdeem was in the 14th century

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to speed up the process or progress of

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