1
: the act or experience of one that learns
a computer program that makes learning fun
2
: knowledge or skill acquired by instruction or study
people of good education and considerable learning
3
: modification of a behavioral tendency by experience (such as exposure to conditioning)
4
: machine learning
Unsupervised learning, also known as unsupervised machine learning, uses machine learning algorithms to analyze and cluster unlabeled datasets. These algorithms discover hidden patterns or data groupings without the need for human intervention.—IBM
Supervised machine learning requires labeled data to adjust the parameters of the model during training. … But without quality training data, supervised learning models will end up making poor inferences.—Ben Dickson
Reinforcement machine learning trains machines through trial and error to take the best action by establishing a reward system. Reinforcement learning can train models to play games or train autonomous vehicles to drive by telling the machine when it made the right decisions, which helps it learn over time what actions it should take.—Sara Brown
a learning system/model/algorithm
learning
2 of 2present participle of learn
Cite this Entry
“Learning.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/learning. Accessed 1 Sep. 2026.
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