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ultralight

American  
[uhl-truh-lahyt, uhl-truh-lahyt, uhl-truh-lahyt] / ˌʌl trəˈlaɪt, ˈʌl trəˌlaɪt, ˈʌl trəˌlaɪt /

adjective

  1. extremely lightweight in comparison with others of its kind.

    a car with an ultralight engine.


noun

  1. something that is ultralight.

  2. a small, light, inexpensive single-seat airplane that is essentially a motorized hang glider.

Etymology

Origin of ultralight

First recorded in 1970–75; ultra- + light 2

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.

See Examples For:

Leng engineered an ultralight, electric-powered vertical takeoff and landing aircraft known as an eVTOL.

From Los Angeles Times Jan. 30, 2026

These particles, called ultralight bosons, are predicted by some theories that go beyond the Standard Model of particle physics, which describes and classifies all known elementary particles.

From Science Daily Oct. 30, 2025

Last week, we reported on the Pivotal BlackFly, the first series-produced ultralight eVTOL to reach the consumer market.

From The Wall Street Journal Oct. 24, 2025

That allowed the team to simulate how defects in magnesium alloys form, grow, and move, an advance that should help spur the development of ultralight materials for fuel-efficient cars and airplanes.

From Science Magazine Dec. 13, 2023

Only the unique combination of the two of them could have produced the silk sleigh: a sleek, ultralight craft buoyed by ulola gas.

From "Strange the Dreamer" by Laini Taylor

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