• WordNet 3.6
    • v unlearn discard something previously learnt, like an old habit
    • v unlearn try to forget; put out of one's memory or knowledge
    • ***
Webster's Revised Unabridged Dictionary
    • Unlearn To fail to learn.
    • Unlearn 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."
    • ***
Century Dictionary and Cyclopedia
    • unlearn To discard, put away, or get rid of (what one has learned); forget the knowledge of.
    • unlearn To fail to learn; not to learn.
    • unlearn To put away acquired knowledge; become ignorant.
    • ***
Chambers's Twentieth Century Dictionary
    • v.t Unlearn un-lėrn′ to forget or lose what has been learned
    • v.i Unlearn to become ignorant
    • ***


  • Alvin Toffler
    Alvin Toffler
    “The illiterate of the future are not those that cannot read or write. They are those that can not learn, unlearn, relearn.”
  • Benjamin Franklin
    “The learned fool writes his nonsense in better language than the unlearned, but it is still nonsense.”
  • Lucius C. Falkland
    Lucius C. Falkland
    “I do pity unlearned people on a rainy day.”
  • Gloria Steinem
    “The first problem for all of us, men and women, is not to learn, but to unlearn.”
  • Young
    “Unlearned men of books are like the eunuchs who are guardians of the beautiful.”
  • Henry David Thoreau
    “When any real progress is made, we unlearn and learn anew what we thought we knew before.”


Webster's Revised Unabridged Dictionary
1st pref. un-, + learn,


In literature:

During a shorter exile, Gibbon unlearned his native English.
"Critical and Historical Essays, Volume III (of 3)" by Thomas Babington Macaulay
Ealdhelm, learned as he was, let his heart go forth to the unlearned.
"A Student's History of England, v. 1 (of 3)" by Samuel Rawson Gardiner
Bode wrote much and well for unlearned readers.
"A Popular History of Astronomy During the Nineteenth Century" by Agnes M. (Agnes Mary) Clerke
Even the unlearned adventurer could obtain a reputation by an unvarnished recital of what he saw and heard.
"The Land of Thor" by J. Ross Browne
The unlearned are deluded, and led away from faith to works and orders.
"Epistle Sermons, Vol. II" by Martin Luther
Every day I have to pray that much that he has learned in the Jesuit school should be unlearned.
"Penshurst Castle" by Emma Marshall
If Ceyx felt them, or his head was rais'd To meet her by the waves, th' unlearned doubt.
"The Metamorphoses of Publius Ovidus Naso in English blank verse Vols. I & II" by Ovid
Slowly and laboriously, with infinite care and pains, she set herself to unlearn the lessons of her life.
"Wee Wifie" by Rosa Nouchette Carey
It takes a long time to learn a chicken a thing, but a heap longer to unlearn him.
"The Boy Scouts Book of Stories" by Various
It was raised in uttering that shocking phrase which her mistress had forbidden, and which Polly refused to unlearn.
"Treasure Valley" by Marian Keith

In poetry:

OUR Father! while our hearts unlearn
The creeds that wrong thy name,
Still let our hallowed altars burn
With Faith's undying flame!
"Hymn Written For The Twenty-Fifth Anniversary Of The Reorganization Of The Boston Young Men’s Christ" by Oliver Wendell Holmes
Unlearned, unknown to lettered fame,
Yet on the lips of England's poor
And toiling millions dwelt his name,
With blessings evermore.
"Channing" by John Greenleaf Whittier
Yea, the voiceless wrath of the wretched,
and their unlearned discontent,
We must give it voice and wisdom
till the waiting-tide be spent.
"The Day Is Coming" by William Morris
This is the curse of time. Alas!
In grief I am not all unlearn'd;
Once thro' mine own doors Death did pass;
One went, who never hath return'd.
"To J. S." by Alfred Lord Tennyson
In a small chamber, friendless and unseen,
Toiled o'er his types one poor, unlearned young man;
The place was dark, unfurnitured, and mean;
Yet there the freedom of a race began.
"To W.L. Garrison" by James Russell Lowell
If thou art learn'd — th' unlearn'd instruct with care,
If a good shepherd — guide thy flock with skill —
If a wise steward — give to each his share,
If a true Christian, do thy Master's will.
"The Duty Of Clergymen" by Rees Prichard

In news:

Horgan argues that war is socially and politically conditioned and can be unlearned and avoided.
In a blog post today, Scott McLeod shared whathesaid's list of the 10 things he believed teachers should unlearn .
Life's lessons learned and unlearned .
In euro crisis, US lessons unlearned .
Class, Sexuality and Lessons Unlearned .
Heroes Forgotten, Lessons Unlearned .
The Unlearned Lesson Of Lean.
Niger's hunger crisis: a legacy of lessons unlearned .
The Unlearned Lessons of Katrina.
Terrorism, Rights and Unlearned Lessons.
"He's had to unlearn three decades of muscle memory," cracked someone from inside Quinn's campaign a couple of months ago.
Unlearning the Lessons of Econ 101.
Niger 's hunger crisis: a legacy of lessons unlearned.
Flexibility, thrift, and self-reliance are the essential ingredients of any start-up, but you may need to unlearn these skills in order to grow your business.
Chloe Sevigny might be played a transgender assassin in the upcoming miniseries Hit and Miss, but no matter how great her performance might be, there's one line she needs to unlearn.

In science:

We call such a situation unlearnable, and do not consider it in the sequel.
Harmonic mean, random polynomials and stochastic matrices
The results of doing several such simulations, for K = 15 and L = 10 (so that the parity operation is an unlearnable task for the student network) and following random initialisation of the various weights, are shown in figure 3.
Statistical Mechanical Analysis of the Dynamics of Learning in Perceptrons
This maximum likelihood estimation procedure, which is essentially Boltzmann learning , can be thought of as iteratively stabilizing the native structure on the one hand and ’unlearn’ incorrect folds, which traps the protein during folding, on the other.
Teaching computers to fold proteins
Yang, The Infinite Gift - How Children Learn and Unlearn the Languages of the World, Scribner, New York 2006.
Birth, survival and death of languages by Monte Carlo simulation
It may be read as a combined process of learning the desired association and “unlearning” the current erroneous one.
Neural Networks