In theoretical linguistics, underspecification is a phenomenon in which certain features are omitted in underlying representations. Restricted underspecification theory holds that features should only be underspecified if their values are predictable.

What means Underspecified?

Filters. Inadequate specification; failure to specify in enough detail. The underspecification of the project led to the development of software that was not fit for purpose. noun.

What is underspecification in statistics?

A regression model is underspecified if the regression equation is missing one or more important predictor variables.