overfit
/ˈɒvərˌfɪt/Definitions
1. noun
A model, equation, or system that is too complex and has been over-trained, resulting in poor performance on new, unseen data.
“The researcher warned that the overfit model would not generalize well to the real-world scenario.”
2. verb
To create or train a model that is too complex and has been over-trained, resulting in poor performance on new, unseen data.
“The data scientist overfit the model, which led to disappointing results in the competition.”