Overfitting

noun, verb

noun, verb ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The production of a statistical model that, due to an excess of parameters relative to the sample size, fits the sample data extremely well but fails to fit new data. countable, uncountable
Verb
  1. 1
    present participle and gerund of overfit form-of, gerund, participle, present

Example

More examples

"Adding more parameters to a neural network is often necessary to increase performance, but without a corresponding increase in dataset size, it can easily lead to overfitting."

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.