unthink

[uhn-thingk]
verb (used with object), un·thought, un·think·ing.
  1. to dispel from the mind: Unthink your thoughts.

Origin of unthink

First recorded in 1590–1600; un-2 + think1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of unthink


British Dictionary definitions for unthink

unthink

verb -thinks, -thinking or -thought (tr)
  1. to reverse one's opinion about
  2. to dispel from the mind
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012