Plain English Meaning
Practicing something well past the point where you first 'get it' so it sticks and you can do it without thinking — even when you're tired, busy, or under pressure.
Full Definition
A learning concept in which a student continues to study and practice information beyond the point of first being able to recall or perform it correctly, so that the knowledge becomes deeply ingrained and can be retrieved reliably under stress, distraction, or fatigue.
Context Anchor
Seen in aviation instruction when an instructor plans review, scenario questions, and repeated use of important knowledge instead of stopping as soon as the student answers correctly one time.
Derivation
From 'over-' (beyond) plus 'learning.' The word literally means learning beyond the point of just barely knowing something. The 'over' isn't negative here — it means going further than the minimum needed to pass a .