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

Despite having the latest safety gear and being in a group of other experienced riders, as well as the assistance of an off-duty Truckee fire department medic, who performed CPR, Thomason did not survive. —Jack Dolan, Los Angeles Times, 18 Feb. 2026

Judges score riders on their creativity and execution of tricks and their routine as a whole. —ABC News, 18 Feb. 2026

At the heart of the show will continue to be the partnership between rider and unicorn, but this season will challenge not only Sophia and Wildstar’s partnership but the trust between all the Sapphires. —Sarah Scott, Parents, 18 Feb. 2026

The runners and riders have been assessed in our power rankings. —Tim Spiers, New York Times, 18 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