The Collaborative International Dictionary
overlearn \o`ver*learn"\, v. t. To learn (a fact or skill) repetitively, beyond the point where it can be immediately recalled; in experimental psychology, to continue to learn beyond the point where the criterion of adequate learning has been reached.
Wiktionary
vb. 1 To learn (something) more than is necessary; to study excessively, to take (something) too much to heart. 2 (context psychology education English) To learn (something) to the point where responses become instinctive. 3 (context modeling English) Mostly when talking about neural networks, to learn a task to the point where responses actually start to degrade. Compare with ''overfit'', in model tuning contexts.
Usage examples of "overlearn".
No way would she explain the need that drove her to overlearn about everything.