Dictionary.com
Thesaurus.com

biker

American  
[bahy-ker] / ˈbaɪ kər /

noun

  1. a person who rides a bicycle, motorcycle, or motorbike, especially in competition or as a hobby.

  2. Informal. a member of a motorcycle gang.


biker British  
/ ˈbaɪkə /

noun

  1. informal a member of a motorcyle gang

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of biker

First recorded in 1880–85; bike 1 + -er 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"My second best sport I do is cycling since I'm 10. For a hobby biker who is not cycling in winter, I'm a really good endurance athlete. Cycling is my second life."

From Barron's • Feb. 22, 2026

The 20-something daughter of a factory worker, who played drums in a heavy-metal band, wore a crisp suit under her biker jacket.

From The Wall Street Journal • Feb. 6, 2026

A year and a half ago, the Texan entertainer released his fourth album, “Hardstone Psycho,” his grungey take on biker culture.

From Los Angeles Times • Jan. 30, 2026

It’s why he spends much of the film in uniform, as a traffic warden, as a member of a barbershop quartet, and later as the new member of Ray’s biker gang.

From Los Angeles Times • Dec. 23, 2025

I’ve tried them both on, mixing with biker boots and plaid pants...definitely not working.

From "Watch Us Rise" by Renée Watson and Ellen Hagan