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 agency notes roughly 70% of its budget comes from sales and use taxes, with additional funding from federal grants and rider fares. —Jasmine Arenas, CBS News, 28 Jan. 2026

There’s an equestrian centre for experienced riders and beginners alike, and the option to do the most touristy of all activities, camel riding in the dunes. —Condé Nast, Condé Nast Traveler, 28 Jan. 2026

Jeremy is a consensus pick for one of the best big mountain riders ever, and just as beloved for his pioneering work as a climate activist as the founder of Protect Our Winters. —Outside Online, 28 Jan. 2026

For riders, seeing how the vehicle thinks and reacts may make autonomous travel feel less intimidating. —Kurt Knutsson, FOXNews.com, 27 Jan. 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