unicycle

noun

uni·​cy·​cle ˈyü-ni-ˌsī-kəl 

: a vehicle that has a single wheel and is usually propelled by pedals

unicyclist

ˈyü-ni-ˌsī-k(ə-)list 

noun

Illustration of unicycle

Examples of unicycle in a Sentence

Recent Examples on the Web

Ringling Hype Crew circus artists will entertain and delight audiences with an exclusive preview performance featuring unicycle tricks, jump rope acrobatics, hand balancing, plus a special appearance with adorable robo-pup Bailey Circuit. —Andrea Manes, Oc Register, 4 June 2026

Currently, high-speed e-bikes, e-scooters and electric unicycles — some capable of exceeding 50 mph — operate with no state regulation. —Jeremy Gorner, Chicago Tribune, 3 June 2026

Under the legislation, electric scooters, electric skateboards, and electric unicycles would be prohibited from operating over 28 mph on roads, bike lanes, bike paths, and sidewalks. —Jermont Terry, CBS News, 1 May 2026

Jarrett still performs in local musical productions and community theatre shows, and will ride her unicycle on stage, according to Guinness World Records. —Abigail Adams, PEOPLE, 27 Apr. 2026

Word History

Etymology

uni- + -cycle (as in tricycle)

First Known Use

1869, in the meaning defined above

Rhymes for unicycle

• recycle
• cycle
• motorcycle

Kids Definition

unicycle

noun

uni·​cy·​cle ˈyü-ni-ˌsī-kəl 

: a vehicle having a single wheel and usually moved forward by pedals