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 vast majority were pedestrians or bike riders. —Devoun Cetoute, Miami Herald, 24 Nov. 2025

Service was restored to two BART travel lines after an equipment problem forced their temporary closure early Monday morning, bringing yet more transportation challenges for BART riders. —Rick Hurd, Mercury News, 24 Nov. 2025

Commenters on the post cited heavy traffic and dangerous winter conditions on Interstate 94, and said riders could work or rest on the train during their commute. —Hope Karnopp, jsonline.com, 23 Nov. 2025

With more service, perhaps instead of waiting 20 minutes in between buses, riders might wait 15 or 10 minutes, and service could run later into the evening, Ferguson said. —Nathan Pilling, Kansas City Star, 22 Nov. 2025

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