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 behalf of millions of riders, thank you Guv for making underground safety such a priority. —New York Daily News Editorial Board, New York Daily News, 15 Jan. 2025

But, Chauncy points out, industry statistics show that a majority of collisions are caused by adept skier and riders. —Moira McCarthy, Boston Herald, 15 Jan. 2025

Perhaps for the sake of that latter rider, the Himalayan 450 was unveiled last year. —New Atlas, 13 Jan. 2025

The truly brave will want to conquer Velocity Peak, a high-speed water tower with three slides that can send riders careening off at 55 miles per hour. —Carly Caramanna, Travel + Leisure, 10 Jan. 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

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