[ out-rahy-der ]
/ ˈaʊtˌraɪ dər /
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a mounted attendant riding before or beside a carriage.
(at a racetrack) a mounted rider who accompanies or leads a racehorse to the post.
a person who goes in advance of an automobile or person to clear a passage.
a person who leads the way or is a member of a vanguard; forerunner.
a person who rides out or forth, especially a scout, cowhand, ranch hand, or the like.
In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
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The rainy weather could not ________ my elated spirits on my graduation day.
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Origin of outrider

1300–50; Middle English: official in a monastery; see out-, rider
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use outrider in a sentence

British Dictionary definitions for outrider

/ (ˈaʊtˌraɪdə) /

a person who goes ahead of a car, group of people, etc, to ensure a clear passage
a person who goes in advance to investigate, discover a way, etc; scout
a person who rides in front of or beside a carriage, esp as an attendant or guard
US a mounted herdsman
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012