overfit1
/ˈəʊvəfɪt/Statistics
noun
An analysis which corresponds too closely or exactly to a particular set of data.
Origin
1970s; earliest use found in Statistician. From overfit.
overfit2
/ˈəʊvəfɪt/Physical Geography
adjective
Designating or relating to a stream which, on the basis of its current flow, would have eroded a larger valley than it occupies.
Origin
Early 20th century. From over- + fit, after misfit.
overfit3
/ˌəʊvəˈfɪt/verb
[with object] Statistics. To produce or represent an analysis which corresponds too closely or exactly to (a particular set of data); to make (a model) fit a particular set of data too precisely. Also without object: to provide too close a fit.
Origin
Mid 18th century (in an earlier sense). From over- + fit.