noun out·li·er \ˈau̇t-ˌlī(-ə)r\

Definition of outlier

  1. 1 :  a person whose residence and place of business are at a distance <His house was a place of refuge for outliers.>

  2. 2 :  something (as a geological feature) that is situated away from or classed differently from a main or related body <The island is an outlier on the southeast side of the archipelago.>

  3. 3 :  a statistical observation that is markedly different in value from the others of the sample <Values that are outliers give disproportionate weight to larger over smaller values.>


First Known Use of outlier


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