Definition of overlearn in US English:

overlearn

verb

  • with object To learn more than adequately or sufficiently; to learn or study excessively; (Psychology and Education) to learn to the point where a response becomes instinctive, especially by repeated study or practice.

Origin

Mid 19th century; earliest use found in Quiver. From over- + learn.

Pronunciation

overlearn

/ˌəʊvəˈləːn/