unthink

[uhn-thingk]

verb (used without object), un·thought, un·think·ing.

to end one's thought or reverse the process of thought.

verb (used with object), un·thought, un·think·ing.

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

Examples from the Web for unthink

Historical Examples of unthink

Only you did not mean quite what you said so too articulately, and you will unsay it, if you please, and unthink it near the elms.
The Letters of Robert Browning and Elizabeth Barrett Barrett, Vol. 1 (of 2) 1845-1846
Robert Browning and Elizabeth Barrett Barrett
We cannot unthink ourselves out of his realism, out of his boundless pity, out of his consuming earnestness.
The Authoritative Life of General William Booth
George Scott Railton

British Dictionary definitions for unthink

unthink

verb -thinks, -thinking or -thought (tr)

to reverse one's opinion about
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