Antonym: learn. Similar words: unlearned, unleash, unleaded, unleavened, learn by heart, learn, learnt, learned. Meaning: [‚ʌnlɜrn /-lɜːn] 
v. 1. try to forget; put out of one's memory or knowledge 2. discard something previously learnt, like an old habit.
v. 1. try to forget; put out of one's memory or knowledge 2. discard something previously learnt, like an old habit. 
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1. They learn new roles and unlearn old ones.
2. It took him a long time to unlearn what he learned in his childhood.
3. It's difficult to unlearn bad driving habits.
4. I've had to unlearn the way I played guitar since I started taking formal lessons.
5. You'll have to unlearn all the bad habits you learned with your last piano teacher.
6. Who do you go to to unlearn them?
7. In life, we have to learn, unlearn,(sentencedict.com/unlearn.html) and relearn if we are to improve ourselves and better our lives. Dr T.P.Chia 
8. Every great inventor or scientist has had to unlearn conventional wisdom in order to proceed with his work.
9. To learn virtue is to unlearn vice.
10. Unlearn your pronunciation if it's inscrutable.
11. Can people unlearn their naked shame?
12. How do we unlearn gender?
13. To finally unlearn our lessons And alter our stance.
14. To cause to forget unlearn something.
15. To cause to forget or unlearn something.
16. It is harder to unlearn than to learn.
17. She says the best way to conquer cynophobia is to "unlearn what you've learned."
18. In many instances, the contract negotiator must "unlearn" rules that have served him or her well[Sentencedict.com], but are not functional or relevant in an integrated project.
19. Companies need to learn how to unlearn , to slough off yesterday's wisdom.
20. They do not learn because they cannot or will not unlearn.
21. It could also be a forgetting term, when a system needs to unlearn something.
22. As such it seems particularly appropriate for a time of rapid change and the need to unlearn dogmatism.
23. What I learned from them specifically of the techniques of teaching I have had to do my best to unlearn since.
24. When students learn something incorrectly, it takes much time and work to help them unlearn it.
More similar words: unlearned, unleash, unleaded, unleavened, learn by heart, learn, learnt, learned, relearn, learn of, learner, learning, learn from, clearness, learn the ropes, learn by rote, rote learning, learning curve, learner's permit, learning process, machine learning, learning ability, supervised learning, language learning, learning disorder, learning language, learning disability, unsupervised learning, unless, associative learning.