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

On the ground, bike riders and hikers pass prairie plants and native grasses laden with early fall seed — little blue stem, yellow prairie grass, goldenrod, whorled milkweed, purple cone flower, common milkweed, coreopsis and others. — Susan Degrane, Chicago Tribune, 8 Oct. 2026

The Citi Bike rental agreement requires riders to be at least 16 years old and states the bikes are for use by one rider only, officials said. — Roni Jacobson, New York Daily News, 8 Oct. 2026

On Monday, low-floor trains will begin toting riders along the Green Line, which has been shut down since June 2025 because of work around the developing Railyards District and construction of the new Seventh Street and Railyards station. — Madison Smalstig, Sacbee.com, 8 Oct. 2026

Modesto police said a group was riding dirt bikes between Moose Park and Thousand Oaks Park when two riders crashed head-on in the darkness. — Cecilio Padilla, CBS News, 8 Oct. 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