“+ verb
Etymology: Middle English unlernen, from un- (II) + lernen to learn — more at learn
transitive verb
1. : to put out of one's knowledge or memory : discard the habit of : discover the falsity of
it took him a long time to unlearn the puritanism of his childhood — Aldous Huxley
2. : unteach
intransitive verb
: to discard previously acquired habits or knowledge
they do not learn because they cannot or will not unlearn — R.G.Vansittart