noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A phenomenon in which two or more predictor variables in a multiple regression model are highly correlated, so that the coefficient estimates may change erratically in response to small changes in the model or data. countable, uncountable
2. 2
   a case of multiple regression in which the predictor variables are themselves highly correlated wordnet

Etymology

From multicollinear + -ity.

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