Added 9 October 2026 outlier /ˈaʊtˌlaɪə(ɹ)/ noun Categories: PeopleMind & IdeasRare Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about outlier at Wordnik → Where our words come from → A person or thing situated away from the main body or outside its proper place. An exception. A part of a formation separated from the rest of the formation by erosion. Related Words: aberrantexceptionextremeflapoutmoststandoutoutstanderoutshinerextraordinarityexceptionaloutdoer Back to today's word