# reinforcement learning

CEFR C1 · Noun

Source: https://englishreference.com/word/reinforcement-learning
Updated: 2026-09-18

## Definition

A way computers learn by trying things and getting rewards when they do well.

For teachers: A machine-learning paradigm in which an agent learns optimal behavior through rewards and penalties received for its actions.

## Examples

- Reinforcement learning can be used to train systems to make decisions.
- The researchers applied reinforcement learning to the game-playing agent.

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