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

Excessive speed did not factor in the collision, and the rider was not believed to be under the influence of alcohol or drugs at the time, said police. —Darrell Smith, Sacbee.com, 25 Feb. 2026

During the testing period, Waymo employees will give feedback on the service and experience before the company opens the service to all riders via its partnership with Uber. —Karoline Leonard, Austin American Statesman, 25 Feb. 2026

Evolving them to self-riders is a nailbiter for all. —Moira McCarthy, Boston Herald, 25 Feb. 2026

The all-electric vehicle service will allow riders to move anywhere within the city and help address cracks in the current public transit system that left students and others ‘stranded,’ according to the Sunnyvale City Council, which unanimously approved the service this week. —Luis Melecio-Zambrano, Mercury News, 25 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