Dictionary.com defines “outlier” as: (1) something that lies outside the main body or group that it is a part of, (2) someone who stands apart from others of his or her group, as by differing behavior, beliefs, or religious practices (Synonyms: nonconformist, maverick, original), (3) Statistics: (a) an observation that is well outside of the expected range of values in a study or experiment, (b) a person whose abilities, achievements, etc., lie outside the range of statistical probability.