rider

noun

rid·​er ˈrī-dər 

1

: one that rides

2

a

: an addition to a document (such as an insurance policy) often attached on a separate piece of paper

b

: a clause appended to a legislative bill to secure a usually distinct object

3

: something used to overlie another or to move along on another piece

riderless

ˈrī-dər-ləs 

adjective

Examples of rider in a Sentence

Watch out for bike riders while driving.

She added a rider to her life insurance policy that increased her coverage.

Congress added a rider to the health insurance bill.

Recent Examples on the Web

The height requirement is 36 inches for riders accompanied by an adult. —Dewayne Bevil, The Orlando Sentinel, 4 Feb. 2026

For parents, commuters and riders, the outcome may affect where and when autonomous vehicles are allowed to operate. —Kurt Knutsson, FOXNews.com, 4 Feb. 2026

Heybike has included several safety features like a magnetic kill switch that shuts off the power if the rider disconnects from the bike, a reverse assist that helps you back out of tight places, and throttle reset protection, which guards against unintentional launches. —New Atlas, 4 Feb. 2026

This has been updated to clarify how much a Blue Line rider might pay when traveling from O’Hare to the Loop. —Chicago Tribune, 4 Feb. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing rider

• circuit rider
• dispatch rider
• horseback rider
• night rider

Rhymes for rider

• cider
• cyder
• eider
• glider
• hider
• schneider
• slider
• snider
• spider
• stridor
• wider
• collider

Kids Definition

rider

noun

rid·​er ˈrīd-ər 

1

: one that rides

2

a

: an addition to a document

b

: an additional clause to a legislative bill

3

: something that lies over or moves along on another piece

the scale had riders to measure weight

riderless

-ləs 

adjective

Legal Definition

rider

noun

rid·​er

1

: an addition to a document (as an insurance policy) often attached on a separate piece of paper

2

: a clause or provision appended to a legislative bill to obtain a usually distinct object