transitive verb-·thought′, -·think′ing
to rid one's mind of, or change one's mind about
transitive verbun·thought, un·think·ing, un·thinks
To dismiss from the mind; disregard.
(third-person singular simple present unthinks, present participle unthinking, simple past and past participle unthought)
- (intransitive) To undo the process of thinking.