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

With the opening of the D Line, the agency will have the opportunity to start fresh with many new riders. —Oren Peleg, New Yorker, 9 May 2026

Colorado homeowners were among the least likely in the nation to have purchased supplemental insurance riders (53%), even as wildfires, severe storms, and flooding continue to pose real threats. —Sara B. Hansen, Denver Post, 9 May 2026

Women aren’t infrequent visitors, as there is plenty of work as a groom or exercise rider. —Dana O’Neil, CNN Money, 9 May 2026

Without a deal, the commuter rail's first strike since June 1994 could start as soon as May 16, halting train service for hundreds of thousands of daily riders. —John Dias, CBS News, 9 May 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