unlearn Meaning, Definition & Usage

  1. verb try to forget; put out of one's memory or knowledge
  2. verb discard something previously learnt, like an old habit

WordNet

Un*learn" transitive verb
Etymology
1st pref. un- + learn.
Definitions
  1. To forget, as what has been learned; to lose from memory; also, to learn the contrary of.
    I had learned nothing right; I had to unlearn everything. Milner.
  2. To fail to learn. Obs. Dr. H. More.

Webster 1913