An outlier is a person or thing that is different from the rest of the population. Outliers are usually unusual in some way, and they tend to stand out from the rest.

  • The outlier in the group was the one who was the tallest.

  • The outlier in the study was the one who smoked the most.

  • The outlier in the data set was the one with the most errors.

Definition of outlier


an extreme deviation from the mean


a person who lives away from his place of work

Nearby Words

outlier Pronunciation in a video (2)

Example Sentences for outlier

  • 1

    The people discomfited the outliers.

  • 2

    Buckbarrow is an outlier of the southern branch of the horseshoe.

  • 3

    It is less sensitive to outliers, but less mathematically tractable.

  • 4

    It is the northernmost outlier of the Virgo cluster discovered as of 2004.

  • 5

    In the presence of outliers, the statistician has two options.

  • 6

    If it is the outlier, the odds of selecting the outlier are much higher.

  • 7

    Either it is an outlier or it isn't.

  • 8

    ChemSpider appears to be the outlier.

  • 9

    But the Shuttle is a bit of an outlier.

  • 10

    Seatallan is an outlier of the southern arm.